diff options
Diffstat (limited to 'misc/cgo/testcshared/testdata')
18 files changed, 930 insertions, 0 deletions
diff --git a/misc/cgo/testcshared/testdata/go2c2go/go/shlib.go b/misc/cgo/testcshared/testdata/go2c2go/go/shlib.go new file mode 100644 index 0000000..76a5323 --- /dev/null +++ b/misc/cgo/testcshared/testdata/go2c2go/go/shlib.go @@ -0,0 +1,12 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "C" + +//export GoFunc +func GoFunc() int { return 1 } + +func main() {} diff --git a/misc/cgo/testcshared/testdata/go2c2go/m1/c.c b/misc/cgo/testcshared/testdata/go2c2go/m1/c.c new file mode 100644 index 0000000..0e8fac4 --- /dev/null +++ b/misc/cgo/testcshared/testdata/go2c2go/m1/c.c @@ -0,0 +1,9 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "libtestgo2c2go.h" + +int CFunc(void) { + return (GoFunc() << 8) + 2; +} diff --git a/misc/cgo/testcshared/testdata/go2c2go/m1/main.go b/misc/cgo/testcshared/testdata/go2c2go/m1/main.go new file mode 100644 index 0000000..17ba1eb --- /dev/null +++ b/misc/cgo/testcshared/testdata/go2c2go/m1/main.go @@ -0,0 +1,22 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +// extern int CFunc(void); +import "C" + +import ( + "fmt" + "os" +) + +func main() { + got := C.CFunc() + const want = (1 << 8) | 2 + if got != want { + fmt.Printf("got %#x, want %#x\n", got, want) + os.Exit(1) + } +} diff --git a/misc/cgo/testcshared/testdata/go2c2go/m2/main.go b/misc/cgo/testcshared/testdata/go2c2go/m2/main.go new file mode 100644 index 0000000..91bf308 --- /dev/null +++ b/misc/cgo/testcshared/testdata/go2c2go/m2/main.go @@ -0,0 +1,22 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +// #include "libtestgo2c2go.h" +import "C" + +import ( + "fmt" + "os" +) + +func main() { + got := C.GoFunc() + const want = 1 + if got != want { + fmt.Printf("got %#x, want %#x\n", got, want) + os.Exit(1) + } +} diff --git a/misc/cgo/testcshared/testdata/issue36233/issue36233.go b/misc/cgo/testcshared/testdata/issue36233/issue36233.go new file mode 100644 index 0000000..d0d1e5d --- /dev/null +++ b/misc/cgo/testcshared/testdata/issue36233/issue36233.go @@ -0,0 +1,29 @@ +// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+package main
+
+// #include <complex.h>
+import "C"
+
+//export exportComplex64
+func exportComplex64(v complex64) complex64 {
+ return v
+}
+
+//export exportComplex128
+func exportComplex128(v complex128) complex128 {
+ return v
+}
+
+//export exportComplexfloat
+func exportComplexfloat(v C.complexfloat) C.complexfloat {
+ return v
+}
+
+//export exportComplexdouble
+func exportComplexdouble(v C.complexdouble) C.complexdouble {
+ return v
+}
+
+func main() {}
diff --git a/misc/cgo/testcshared/testdata/libgo/libgo.go b/misc/cgo/testcshared/testdata/libgo/libgo.go new file mode 100644 index 0000000..0634417 --- /dev/null +++ b/misc/cgo/testcshared/testdata/libgo/libgo.go @@ -0,0 +1,46 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "syscall" + _ "testcshared/p" + "time" +) + +import "C" + +var initCh = make(chan int, 1) +var ranMain bool + +func init() { + // emulate an exceedingly slow package initialization function + time.Sleep(100 * time.Millisecond) + initCh <- 42 +} + +func main() { + ranMain = true +} + +//export DidInitRun +func DidInitRun() bool { + select { + case x := <-initCh: + if x != 42 { + // Just in case initCh was not correctly made. + println("want init value of 42, got: ", x) + syscall.Exit(2) + } + return true + default: + return false + } +} + +//export DidMainRun +func DidMainRun() bool { + return ranMain +} diff --git a/misc/cgo/testcshared/testdata/libgo2/dup2.go b/misc/cgo/testcshared/testdata/libgo2/dup2.go new file mode 100644 index 0000000..d343aa5 --- /dev/null +++ b/misc/cgo/testcshared/testdata/libgo2/dup2.go @@ -0,0 +1,13 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build darwin dragonfly freebsd linux,!arm64,!riscv64 netbsd openbsd + +package main + +import "syscall" + +func dup2(oldfd, newfd int) error { + return syscall.Dup2(oldfd, newfd) +} diff --git a/misc/cgo/testcshared/testdata/libgo2/dup3.go b/misc/cgo/testcshared/testdata/libgo2/dup3.go new file mode 100644 index 0000000..459f0dc --- /dev/null +++ b/misc/cgo/testcshared/testdata/libgo2/dup3.go @@ -0,0 +1,13 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build linux,arm64 linux,riscv64 + +package main + +import "syscall" + +func dup2(oldfd, newfd int) error { + return syscall.Dup3(oldfd, newfd, 0) +} diff --git a/misc/cgo/testcshared/testdata/libgo2/libgo2.go b/misc/cgo/testcshared/testdata/libgo2/libgo2.go new file mode 100644 index 0000000..e57c93b --- /dev/null +++ b/misc/cgo/testcshared/testdata/libgo2/libgo2.go @@ -0,0 +1,52 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build darwin dragonfly freebsd linux netbsd openbsd solaris + +package main + +// Test a shared library created by -buildmode=c-shared that does not +// export anything. + +import ( + "fmt" + "os" + "syscall" +) + +// To test this we want to communicate between the main program and +// the shared library without using any exported symbols. The init +// function creates a pipe and Dups the read end to a known number +// that the C code can also use. + +const ( + fd = 30 +) + +func init() { + var p [2]int + if e := syscall.Pipe(p[0:]); e != nil { + fmt.Fprintf(os.Stderr, "pipe: %v\n", e) + os.Exit(2) + } + + if e := dup2(p[0], fd); e != nil { + fmt.Fprintf(os.Stderr, "dup2: %v\n", e) + os.Exit(2) + } + + const str = "PASS" + if n, e := syscall.Write(p[1], []byte(str)); e != nil || n != len(str) { + fmt.Fprintf(os.Stderr, "write: %d %v\n", n, e) + os.Exit(2) + } + + if e := syscall.Close(p[1]); e != nil { + fmt.Fprintf(os.Stderr, "close: %v\n", e) + os.Exit(2) + } +} + +func main() { +} diff --git a/misc/cgo/testcshared/testdata/libgo4/libgo4.go b/misc/cgo/testcshared/testdata/libgo4/libgo4.go new file mode 100644 index 0000000..ab40b75 --- /dev/null +++ b/misc/cgo/testcshared/testdata/libgo4/libgo4.go @@ -0,0 +1,45 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "C" + +import ( + "fmt" + "os" + "runtime" +) + +// RunGoroutines starts some goroutines that don't do anything. +// The idea is to get some threads going, so that a signal will be delivered +// to a thread started by Go. +//export RunGoroutines +func RunGoroutines() { + for i := 0; i < 4; i++ { + go func() { + runtime.LockOSThread() + select {} + }() + } +} + +var P *byte + +// TestSEGV makes sure that an invalid address turns into a run-time Go panic. +//export TestSEGV +func TestSEGV() { + defer func() { + if recover() == nil { + fmt.Fprintln(os.Stderr, "no panic from segv") + os.Exit(1) + } + }() + *P = 0 + fmt.Fprintln(os.Stderr, "continued after segv") + os.Exit(1) +} + +func main() { +} diff --git a/misc/cgo/testcshared/testdata/libgo5/libgo5.go b/misc/cgo/testcshared/testdata/libgo5/libgo5.go new file mode 100644 index 0000000..94e5d21 --- /dev/null +++ b/misc/cgo/testcshared/testdata/libgo5/libgo5.go @@ -0,0 +1,44 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "C" + +import ( + "os" + "os/signal" + "syscall" + "time" +) + +// The channel used to read SIGIO signals. +var sigioChan chan os.Signal + +// CatchSIGIO starts catching SIGIO signals. +//export CatchSIGIO +func CatchSIGIO() { + sigioChan = make(chan os.Signal, 1) + signal.Notify(sigioChan, syscall.SIGIO) +} + +// ResetSIGIO stops catching SIGIO signals. +//export ResetSIGIO +func ResetSIGIO() { + signal.Reset(syscall.SIGIO) +} + +// SawSIGIO returns whether we saw a SIGIO within a brief pause. +//export SawSIGIO +func SawSIGIO() C.int { + select { + case <-sigioChan: + return 1 + case <-time.After(100 * time.Millisecond): + return 0 + } +} + +func main() { +} diff --git a/misc/cgo/testcshared/testdata/main0.c b/misc/cgo/testcshared/testdata/main0.c new file mode 100644 index 0000000..39ef7e3 --- /dev/null +++ b/misc/cgo/testcshared/testdata/main0.c @@ -0,0 +1,42 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include <stdint.h> +#include <stdio.h> + +#include "p.h" +#include "libgo.h" + +// Tests libgo.so to export the following functions. +// int8_t DidInitRun(); +// int8_t DidMainRun(); +// int32_t FromPkg(); +// uint32_t Divu(uint32_t, uint32_t); +int main(void) { + int8_t ran_init = DidInitRun(); + if (!ran_init) { + fprintf(stderr, "ERROR: DidInitRun returned unexpected results: %d\n", + ran_init); + return 1; + } + int8_t ran_main = DidMainRun(); + if (ran_main) { + fprintf(stderr, "ERROR: DidMainRun returned unexpected results: %d\n", + ran_main); + return 1; + } + int32_t from_pkg = FromPkg(); + if (from_pkg != 1024) { + fprintf(stderr, "ERROR: FromPkg=%d, want %d\n", from_pkg, 1024); + return 1; + } + uint32_t divu = Divu(2264, 31); + if (divu != 73) { + fprintf(stderr, "ERROR: Divu(2264, 31)=%d, want %d\n", divu, 73); + return 1; + } + // test.bash looks for "PASS" to ensure this program has reached the end. + printf("PASS\n"); + return 0; +} diff --git a/misc/cgo/testcshared/testdata/main1.c b/misc/cgo/testcshared/testdata/main1.c new file mode 100644 index 0000000..420dd1e --- /dev/null +++ b/misc/cgo/testcshared/testdata/main1.c @@ -0,0 +1,69 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include <stdint.h> +#include <stdio.h> +#include <dlfcn.h> + +int check_int8(void* handle, const char* fname, int8_t want) { + int8_t (*fn)(); + fn = (int8_t (*)())dlsym(handle, fname); + if (!fn) { + fprintf(stderr, "ERROR: missing %s: %s\n", fname, dlerror()); + return 1; + } + signed char ret = fn(); + if (ret != want) { + fprintf(stderr, "ERROR: %s=%d, want %d\n", fname, ret, want); + return 1; + } + return 0; +} + +int check_int32(void* handle, const char* fname, int32_t want) { + int32_t (*fn)(); + fn = (int32_t (*)())dlsym(handle, fname); + if (!fn) { + fprintf(stderr, "ERROR: missing %s: %s\n", fname, dlerror()); + return 1; + } + int32_t ret = fn(); + if (ret != want) { + fprintf(stderr, "ERROR: %s=%d, want %d\n", fname, ret, want); + return 1; + } + return 0; +} + +// Tests libgo.so to export the following functions. +// int8_t DidInitRun() // returns true +// int8_t DidMainRun() // returns true +// int32_t FromPkg() // returns 1024 +int main(int argc, char** argv) { + void* handle = dlopen(argv[1], RTLD_LAZY | RTLD_GLOBAL); + if (!handle) { + fprintf(stderr, "ERROR: failed to open the shared library: %s\n", + dlerror()); + return 2; + } + + int ret = 0; + ret = check_int8(handle, "DidInitRun", 1); + if (ret != 0) { + return ret; + } + + ret = check_int8(handle, "DidMainRun", 0); + if (ret != 0) { + return ret; + } + + ret = check_int32(handle, "FromPkg", 1024); + if (ret != 0) { + return ret; + } + // test.bash looks for "PASS" to ensure this program has reached the end. + printf("PASS\n"); + return 0; +} diff --git a/misc/cgo/testcshared/testdata/main2.c b/misc/cgo/testcshared/testdata/main2.c new file mode 100644 index 0000000..f89bcca --- /dev/null +++ b/misc/cgo/testcshared/testdata/main2.c @@ -0,0 +1,56 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#define fd (30) + +// Tests libgo2.so, which does not export any functions. +// Read a string from the file descriptor and print it. +int main(void) { + int i; + ssize_t n; + char buf[20]; + struct timespec ts; + + // The descriptor will be initialized in a thread, so we have to + // give a chance to get opened. + for (i = 0; i < 200; i++) { + n = read(fd, buf, sizeof buf); + if (n >= 0) + break; + if (errno != EBADF && errno != EINVAL) { + fprintf(stderr, "BUG: read: %s\n", strerror(errno)); + return 2; + } + + // An EBADF error means that the shared library has not opened the + // descriptor yet. + ts.tv_sec = 0; + ts.tv_nsec = 10000000; + nanosleep(&ts, NULL); + } + + if (n < 0) { + fprintf(stderr, "BUG: failed to read any data from pipe\n"); + return 2; + } + + if (n == 0) { + fprintf(stderr, "BUG: unexpected EOF\n"); + return 2; + } + + if (n == sizeof buf) { + n--; + } + buf[n] = '\0'; + printf("%s\n", buf); + return 0; +} diff --git a/misc/cgo/testcshared/testdata/main3.c b/misc/cgo/testcshared/testdata/main3.c new file mode 100644 index 0000000..49cc055 --- /dev/null +++ b/misc/cgo/testcshared/testdata/main3.c @@ -0,0 +1,29 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include <stdint.h> +#include <stdio.h> +#include <dlfcn.h> + +// Tests "main.main" is exported on android/arm, +// which golang.org/x/mobile/app depends on. +int main(int argc, char** argv) { + void* handle = dlopen(argv[1], RTLD_LAZY | RTLD_GLOBAL); + if (!handle) { + fprintf(stderr, "ERROR: failed to open the shared library: %s\n", + dlerror()); + return 2; + } + + uintptr_t main_fn = (uintptr_t)dlsym(handle, "main.main"); + if (!main_fn) { + fprintf(stderr, "ERROR: missing main.main: %s\n", dlerror()); + return 2; + } + + // TODO(hyangah): check that main.main can run. + + printf("PASS\n"); + return 0; +} diff --git a/misc/cgo/testcshared/testdata/main4.c b/misc/cgo/testcshared/testdata/main4.c new file mode 100644 index 0000000..355cdef --- /dev/null +++ b/misc/cgo/testcshared/testdata/main4.c @@ -0,0 +1,215 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test that a signal handler that uses up stack space does not crash +// if the signal is delivered to a thread running a goroutine. +// This is a lot like misc/cgo/testcarchive/main2.c. + +#include <setjmp.h> +#include <signal.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <unistd.h> +#include <sched.h> +#include <time.h> +#include <dlfcn.h> + +static void die(const char* msg) { + perror(msg); + exit(EXIT_FAILURE); +} + +static volatile sig_atomic_t sigioSeen; + +// Use up some stack space. +static void recur(int i, char *p) { + char a[1024]; + + *p = '\0'; + if (i > 0) { + recur(i - 1, a); + } +} + +// Signal handler that uses up more stack space than a goroutine will have. +static void ioHandler(int signo, siginfo_t* info, void* ctxt) { + char a[1024]; + + recur(4, a); + sigioSeen = 1; +} + +static jmp_buf jmp; +static char* nullPointer; + +// Signal handler for SIGSEGV on a C thread. +static void segvHandler(int signo, siginfo_t* info, void* ctxt) { + sigset_t mask; + int i; + + if (sigemptyset(&mask) < 0) { + die("sigemptyset"); + } + if (sigaddset(&mask, SIGSEGV) < 0) { + die("sigaddset"); + } + i = sigprocmask(SIG_UNBLOCK, &mask, NULL); + if (i != 0) { + fprintf(stderr, "sigprocmask: %s\n", strerror(i)); + exit(EXIT_FAILURE); + } + + // Don't try this at home. + longjmp(jmp, signo); + + // We should never get here. + abort(); +} + +int main(int argc, char** argv) { + int verbose; + struct sigaction sa; + void* handle; + void (*fn)(void); + sigset_t mask; + int i; + struct timespec ts; + + verbose = argc > 2; + setvbuf(stdout, NULL, _IONBF, 0); + + // Call setsid so that we can use kill(0, SIGIO) below. + // Don't check the return value so that this works both from + // a job control shell and from a shell script. + setsid(); + + if (verbose) { + printf("calling sigaction\n"); + } + + memset(&sa, 0, sizeof sa); + sa.sa_sigaction = ioHandler; + if (sigemptyset(&sa.sa_mask) < 0) { + die("sigemptyset"); + } + sa.sa_flags = SA_SIGINFO; + if (sigaction(SIGIO, &sa, NULL) < 0) { + die("sigaction"); + } + + sa.sa_sigaction = segvHandler; + if (sigaction(SIGSEGV, &sa, NULL) < 0 || sigaction(SIGBUS, &sa, NULL) < 0) { + die("sigaction"); + } + + if (verbose) { + printf("calling dlopen\n"); + } + + handle = dlopen(argv[1], RTLD_NOW | RTLD_GLOBAL); + if (handle == NULL) { + fprintf(stderr, "%s\n", dlerror()); + exit(EXIT_FAILURE); + } + + if (verbose) { + printf("calling dlsym\n"); + } + + // Start some goroutines. + fn = (void(*)(void))dlsym(handle, "RunGoroutines"); + if (fn == NULL) { + fprintf(stderr, "%s\n", dlerror()); + exit(EXIT_FAILURE); + } + + if (verbose) { + printf("calling RunGoroutines\n"); + } + + fn(); + + // Block SIGIO in this thread to make it more likely that it + // will be delivered to a goroutine. + + if (verbose) { + printf("calling pthread_sigmask\n"); + } + + if (sigemptyset(&mask) < 0) { + die("sigemptyset"); + } + if (sigaddset(&mask, SIGIO) < 0) { + die("sigaddset"); + } + i = pthread_sigmask(SIG_BLOCK, &mask, NULL); + if (i != 0) { + fprintf(stderr, "pthread_sigmask: %s\n", strerror(i)); + exit(EXIT_FAILURE); + } + + if (verbose) { + printf("calling kill\n"); + } + + if (kill(0, SIGIO) < 0) { + die("kill"); + } + + if (verbose) { + printf("waiting for sigioSeen\n"); + } + + // Wait until the signal has been delivered. + i = 0; + while (!sigioSeen) { + ts.tv_sec = 0; + ts.tv_nsec = 1000000; + nanosleep(&ts, NULL); + i++; + if (i > 5000) { + fprintf(stderr, "looping too long waiting for signal\n"); + exit(EXIT_FAILURE); + } + } + + if (verbose) { + printf("calling setjmp\n"); + } + + // Test that a SIGSEGV on this thread is delivered to us. + if (setjmp(jmp) == 0) { + if (verbose) { + printf("triggering SIGSEGV\n"); + } + + *nullPointer = '\0'; + + fprintf(stderr, "continued after address error\n"); + exit(EXIT_FAILURE); + } + + if (verbose) { + printf("calling dlsym\n"); + } + + // Make sure that a SIGSEGV in Go causes a run-time panic. + fn = (void (*)(void))dlsym(handle, "TestSEGV"); + if (fn == NULL) { + fprintf(stderr, "%s\n", dlerror()); + exit(EXIT_FAILURE); + } + + if (verbose) { + printf("calling TestSEGV\n"); + } + + fn(); + + printf("PASS\n"); + return 0; +} diff --git a/misc/cgo/testcshared/testdata/main5.c b/misc/cgo/testcshared/testdata/main5.c new file mode 100644 index 0000000..1bc9910 --- /dev/null +++ b/misc/cgo/testcshared/testdata/main5.c @@ -0,0 +1,199 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test that a signal handler works in non-Go code when using +// os/signal.Notify. +// This is a lot like misc/cgo/testcarchive/main3.c. + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <sched.h> +#include <dlfcn.h> + +static void die(const char* msg) { + perror(msg); + exit(EXIT_FAILURE); +} + +static volatile sig_atomic_t sigioSeen; + +static void ioHandler(int signo, siginfo_t* info, void* ctxt) { + sigioSeen = 1; +} + +int main(int argc, char** argv) { + int verbose; + struct sigaction sa; + void* handle; + void (*fn1)(void); + int (*sawSIGIO)(void); + int i; + struct timespec ts; + + verbose = argc > 2; + setvbuf(stdout, NULL, _IONBF, 0); + + if (verbose) { + printf("calling sigaction\n"); + } + + memset(&sa, 0, sizeof sa); + sa.sa_sigaction = ioHandler; + if (sigemptyset(&sa.sa_mask) < 0) { + die("sigemptyset"); + } + sa.sa_flags = SA_SIGINFO; + if (sigaction(SIGIO, &sa, NULL) < 0) { + die("sigaction"); + } + + if (verbose) { + printf("calling dlopen\n"); + } + + handle = dlopen(argv[1], RTLD_NOW | RTLD_GLOBAL); + if (handle == NULL) { + fprintf(stderr, "%s\n", dlerror()); + exit(EXIT_FAILURE); + } + + // At this point there should not be a Go signal handler + // installed for SIGIO. + + if (verbose) { + printf("raising SIGIO\n"); + } + + if (raise(SIGIO) < 0) { + die("raise"); + } + + if (verbose) { + printf("waiting for sigioSeen\n"); + } + + // Wait until the signal has been delivered. + i = 0; + while (!sigioSeen) { + ts.tv_sec = 0; + ts.tv_nsec = 1000000; + nanosleep(&ts, NULL); + i++; + if (i > 5000) { + fprintf(stderr, "looping too long waiting for signal\n"); + exit(EXIT_FAILURE); + } + } + + sigioSeen = 0; + + // Tell the Go code to catch SIGIO. + + if (verbose) { + printf("calling dlsym\n"); + } + + fn1 = (void(*)(void))dlsym(handle, "CatchSIGIO"); + if (fn1 == NULL) { + fprintf(stderr, "%s\n", dlerror()); + exit(EXIT_FAILURE); + } + + if (verbose) { + printf("calling CatchSIGIO\n"); + } + + fn1(); + + if (verbose) { + printf("raising SIGIO\n"); + } + + if (raise(SIGIO) < 0) { + die("raise"); + } + + if (verbose) { + printf("calling dlsym\n"); + } + + // Check that the Go code saw SIGIO. + sawSIGIO = (int (*)(void))dlsym(handle, "SawSIGIO"); + if (sawSIGIO == NULL) { + fprintf(stderr, "%s\n", dlerror()); + exit(EXIT_FAILURE); + } + + if (verbose) { + printf("calling SawSIGIO\n"); + } + + if (!sawSIGIO()) { + fprintf(stderr, "Go handler did not see SIGIO\n"); + exit(EXIT_FAILURE); + } + + if (sigioSeen != 0) { + fprintf(stderr, "C handler saw SIGIO when only Go handler should have\n"); + exit(EXIT_FAILURE); + } + + // Tell the Go code to stop catching SIGIO. + + if (verbose) { + printf("calling dlsym\n"); + } + + fn1 = (void(*)(void))dlsym(handle, "ResetSIGIO"); + if (fn1 == NULL) { + fprintf(stderr, "%s\n", dlerror()); + exit(EXIT_FAILURE); + } + + if (verbose) { + printf("calling ResetSIGIO\n"); + } + + fn1(); + + if (verbose) { + printf("raising SIGIO\n"); + } + + if (raise(SIGIO) < 0) { + die("raise"); + } + + if (verbose) { + printf("calling SawSIGIO\n"); + } + + if (sawSIGIO()) { + fprintf(stderr, "Go handler saw SIGIO after Reset\n"); + exit(EXIT_FAILURE); + } + + if (verbose) { + printf("waiting for sigioSeen\n"); + } + + // Wait until the signal has been delivered. + i = 0; + while (!sigioSeen) { + ts.tv_sec = 0; + ts.tv_nsec = 1000000; + nanosleep(&ts, NULL); + i++; + if (i > 5000) { + fprintf(stderr, "looping too long waiting for signal\n"); + exit(EXIT_FAILURE); + } + } + + printf("PASS\n"); + return 0; +} diff --git a/misc/cgo/testcshared/testdata/p/p.go b/misc/cgo/testcshared/testdata/p/p.go new file mode 100644 index 0000000..0f02cf3 --- /dev/null +++ b/misc/cgo/testcshared/testdata/p/p.go @@ -0,0 +1,13 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +import "C" + +//export FromPkg +func FromPkg() int32 { return 1024 } + +//export Divu +func Divu(a, b uint32) uint32 { return a / b } |