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-rw-r--r--web/server/h2o/libh2o/deps/mruby-io/src/io.c941
1 files changed, 941 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/mruby-io/src/io.c b/web/server/h2o/libh2o/deps/mruby-io/src/io.c
new file mode 100644
index 00000000..1d2f98f3
--- /dev/null
+++ b/web/server/h2o/libh2o/deps/mruby-io/src/io.c
@@ -0,0 +1,941 @@
+/*
+** io.c - IO class
+*/
+
+#include "mruby.h"
+#include "mruby/array.h"
+#include "mruby/class.h"
+#include "mruby/data.h"
+#include "mruby/hash.h"
+#include "mruby/string.h"
+#include "mruby/variable.h"
+#include "mruby/ext/io.h"
+
+#if MRUBY_RELEASE_NO < 10000
+#include "error.h"
+#else
+#include "mruby/error.h"
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#if defined(_WIN32) || defined(_WIN64)
+ #include <winsock.h>
+ #include <io.h>
+ #define open _open
+ #define close _close
+ #define read _read
+ #define write _write
+ #define lseek _lseek
+#else
+ #include <sys/wait.h>
+ #include <unistd.h>
+#endif
+
+#include <fcntl.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+
+static int mrb_io_modestr_to_flags(mrb_state *mrb, const char *modestr);
+static int mrb_io_flags_to_modenum(mrb_state *mrb, int flags);
+static void fptr_finalize(mrb_state *mrb, struct mrb_io *fptr, int noraise);
+
+#if MRUBY_RELEASE_NO < 10000
+static struct RClass *
+mrb_module_get(mrb_state *mrb, const char *name)
+{
+ return mrb_class_get(mrb, name);
+}
+#endif
+
+static int
+mrb_io_modestr_to_flags(mrb_state *mrb, const char *mode)
+{
+ int flags = 0;
+ const char *m = mode;
+
+ switch (*m++) {
+ case 'r':
+ flags |= FMODE_READABLE;
+ break;
+ case 'w':
+ flags |= FMODE_WRITABLE | FMODE_CREATE | FMODE_TRUNC;
+ break;
+ case 'a':
+ flags |= FMODE_WRITABLE | FMODE_APPEND | FMODE_CREATE;
+ break;
+ default:
+ mrb_raisef(mrb, E_ARGUMENT_ERROR, "illegal access mode %S", mrb_str_new_cstr(mrb, mode));
+ }
+
+ while (*m) {
+ switch (*m++) {
+ case 'b':
+ flags |= FMODE_BINMODE;
+ break;
+ case '+':
+ flags |= FMODE_READWRITE;
+ break;
+ case ':':
+ /* XXX: PASSTHROUGH*/
+ default:
+ mrb_raisef(mrb, E_ARGUMENT_ERROR, "illegal access mode %S", mrb_str_new_cstr(mrb, mode));
+ }
+ }
+
+ return flags;
+}
+
+static int
+mrb_io_flags_to_modenum(mrb_state *mrb, int flags)
+{
+ int modenum = 0;
+
+ switch(flags & (FMODE_READABLE|FMODE_WRITABLE|FMODE_READWRITE)) {
+ case FMODE_READABLE:
+ modenum = O_RDONLY;
+ break;
+ case FMODE_WRITABLE:
+ modenum = O_WRONLY;
+ break;
+ case FMODE_READWRITE:
+ modenum = O_RDWR;
+ break;
+ }
+
+ if (flags & FMODE_APPEND) {
+ modenum |= O_APPEND;
+ }
+ if (flags & FMODE_TRUNC) {
+ modenum |= O_TRUNC;
+ }
+ if (flags & FMODE_CREATE) {
+ modenum |= O_CREAT;
+ }
+#ifdef O_BINARY
+ if (flags & FMODE_BINMODE) {
+ modenum |= O_BINARY;
+ }
+#endif
+
+ return modenum;
+}
+
+void
+mrb_fd_cloexec(mrb_state *mrb, int fd)
+{
+ int flags, flags2;
+
+#if defined(F_GETFD) && defined(F_SETFD) && defined(FD_CLOEXEC)
+ flags = fcntl(fd, F_GETFD);
+ if (flags == -1) {
+ mrb_sys_fail(mrb, "fcntl");
+ }
+ if (fd <= 2) {
+ flags2 = flags & ~FD_CLOEXEC; /* Clear CLOEXEC for standard file descriptors: 0, 1, 2. */
+ }
+ else {
+ flags2 = flags | FD_CLOEXEC; /* Set CLOEXEC for non-standard file descriptors: 3, 4, 5, ... */
+ }
+ if (flags != flags2) {
+ if (fcntl(fd, F_SETFD, flags2) == -1) {
+ mrb_sys_fail(mrb, "fcntl");
+ }
+ }
+#endif
+}
+
+#ifndef _WIN32
+static int
+mrb_proc_exec(const char *pname)
+{
+ const char *s;
+ s = pname;
+
+ while (*s == ' ' || *s == '\t' || *s == '\n')
+ s++;
+
+ if (!*s) {
+ errno = ENOENT;
+ return -1;
+ }
+
+ execl("/bin/sh", "sh", "-c", pname, (char *)NULL);
+ return -1;
+}
+#endif
+
+static void
+mrb_io_free(mrb_state *mrb, void *ptr)
+{
+ struct mrb_io *io = (struct mrb_io *)ptr;
+ if (io != NULL) {
+ fptr_finalize(mrb, io, TRUE);
+ mrb_free(mrb, io);
+ }
+}
+
+struct mrb_data_type mrb_io_type = { "IO", mrb_io_free };
+
+static struct mrb_io *
+mrb_io_alloc(mrb_state *mrb)
+{
+ struct mrb_io *fptr;
+
+ fptr = (struct mrb_io *)mrb_malloc(mrb, sizeof(struct mrb_io));
+ fptr->fd = -1;
+ fptr->fd2 = -1;
+ fptr->pid = 0;
+ fptr->writable = 0;
+ fptr->sync = 0;
+ return fptr;
+}
+
+#ifndef NOFILE
+#define NOFILE 64
+#endif
+
+#ifndef _WIN32
+mrb_value
+mrb_io_s_popen(mrb_state *mrb, mrb_value klass)
+{
+ mrb_value cmd, io, result;
+ mrb_value mode = mrb_str_new_cstr(mrb, "r");
+ mrb_value opt = mrb_hash_new(mrb);
+
+ struct mrb_io *fptr;
+ const char *pname;
+ int pid, flags, fd, write_fd = -1;
+ int pr[2] = { -1, -1 };
+ int pw[2] = { -1, -1 };
+ int doexec;
+ int saved_errno;
+
+ mrb_get_args(mrb, "S|SH", &cmd, &mode, &opt);
+ io = mrb_obj_value(mrb_data_object_alloc(mrb, mrb_class_ptr(klass), NULL, &mrb_io_type));
+
+ pname = mrb_string_value_cstr(mrb, &cmd);
+ flags = mrb_io_modestr_to_flags(mrb, mrb_string_value_cstr(mrb, &mode));
+
+ doexec = (strcmp("-", pname) != 0);
+
+ if (flags & FMODE_READABLE) {
+ if (pipe(pr) == -1) {
+ mrb_sys_fail(mrb, "pipe");
+ }
+ mrb_fd_cloexec(mrb, pr[0]);
+ mrb_fd_cloexec(mrb, pr[1]);
+ }
+
+ if (flags & FMODE_WRITABLE) {
+ if (pipe(pw) == -1) {
+ if (pr[0] != -1) close(pr[0]);
+ if (pr[1] != -1) close(pr[1]);
+ mrb_sys_fail(mrb, "pipe");
+ }
+ mrb_fd_cloexec(mrb, pw[0]);
+ mrb_fd_cloexec(mrb, pw[1]);
+ }
+
+ if (!doexec) {
+ // XXX
+ fflush(stdin);
+ fflush(stdout);
+ fflush(stderr);
+ }
+
+ result = mrb_nil_value();
+ switch (pid = fork()) {
+ case 0: /* child */
+ if (flags & FMODE_READABLE) {
+ close(pr[0]);
+ if (pr[1] != 1) {
+ dup2(pr[1], 1);
+ close(pr[1]);
+ }
+ }
+ if (flags & FMODE_WRITABLE) {
+ close(pw[1]);
+ if (pw[0] != 0) {
+ dup2(pw[0], 0);
+ close(pw[0]);
+ }
+ }
+ if (doexec) {
+ for (fd = 3; fd < NOFILE; fd++) {
+ close(fd);
+ }
+ mrb_proc_exec(pname);
+ mrb_raisef(mrb, E_IO_ERROR, "command not found: %S", cmd);
+ _exit(127);
+ }
+ result = mrb_nil_value();
+ break;
+
+ default: /* parent */
+ if ((flags & FMODE_READABLE) && (flags & FMODE_WRITABLE)) {
+ close(pr[1]);
+ fd = pr[0];
+ close(pw[0]);
+ write_fd = pw[1];
+ } else if (flags & FMODE_READABLE) {
+ close(pr[1]);
+ fd = pr[0];
+ } else {
+ close(pw[0]);
+ fd = pw[1];
+ }
+
+ mrb_iv_set(mrb, io, mrb_intern_cstr(mrb, "@buf"), mrb_str_new_cstr(mrb, ""));
+ mrb_iv_set(mrb, io, mrb_intern_cstr(mrb, "@pos"), mrb_fixnum_value(0));
+
+ fptr = mrb_io_alloc(mrb);
+ fptr->fd = fd;
+ fptr->fd2 = write_fd;
+ fptr->pid = pid;
+ fptr->writable = ((flags & FMODE_WRITABLE) != 0);
+ fptr->sync = 0;
+
+ DATA_TYPE(io) = &mrb_io_type;
+ DATA_PTR(io) = fptr;
+ result = io;
+ break;
+
+ case -1: /* error */
+ saved_errno = errno;
+ if (flags & FMODE_READABLE) {
+ close(pr[0]);
+ close(pr[1]);
+ }
+ if (flags & FMODE_WRITABLE) {
+ close(pw[0]);
+ close(pw[1]);
+ }
+ errno = saved_errno;
+ mrb_sys_fail(mrb, "pipe_open failed.");
+ break;
+ }
+ return result;
+}
+#endif
+
+mrb_value
+mrb_io_initialize(mrb_state *mrb, mrb_value io)
+{
+ struct mrb_io *fptr;
+ mrb_int fd;
+ mrb_value mode, opt;
+ int flags;
+
+ mode = opt = mrb_nil_value();
+
+ mrb_get_args(mrb, "i|So", &fd, &mode, &opt);
+ if (mrb_nil_p(mode)) {
+ mode = mrb_str_new_cstr(mrb, "r");
+ }
+ if (mrb_nil_p(opt)) {
+ opt = mrb_hash_new(mrb);
+ }
+
+ flags = mrb_io_modestr_to_flags(mrb, mrb_string_value_cstr(mrb, &mode));
+
+ mrb_iv_set(mrb, io, mrb_intern_cstr(mrb, "@buf"), mrb_str_new_cstr(mrb, ""));
+ mrb_iv_set(mrb, io, mrb_intern_cstr(mrb, "@pos"), mrb_fixnum_value(0));
+
+ fptr = DATA_PTR(io);
+ if (fptr != NULL) {
+ fptr_finalize(mrb, fptr, 0);
+ mrb_free(mrb, fptr);
+ }
+ fptr = mrb_io_alloc(mrb);
+
+ DATA_TYPE(io) = &mrb_io_type;
+ DATA_PTR(io) = fptr;
+
+ fptr->fd = fd;
+ fptr->writable = ((flags & FMODE_WRITABLE) != 0);
+ fptr->sync = 0;
+ return io;
+}
+
+static void
+fptr_finalize(mrb_state *mrb, struct mrb_io *fptr, int noraise)
+{
+ int n = 0;
+
+ if (fptr == NULL) {
+ return;
+ }
+
+ if (fptr->fd > 2) {
+ n = close(fptr->fd);
+ if (n == 0) {
+ fptr->fd = -1;
+ }
+ }
+ if (fptr->fd2 > 2) {
+ n = close(fptr->fd2);
+ if (n == 0) {
+ fptr->fd2 = -1;
+ }
+ }
+
+#if !defined(_WIN32) && !defined(_WIN64)
+ if (fptr->pid != 0) {
+ pid_t pid;
+ do {
+ pid = waitpid(fptr->pid, NULL, 0);
+ } while (pid == -1 && errno == EINTR);
+ }
+#endif
+
+ if (!noraise && n != 0) {
+ mrb_sys_fail(mrb, "fptr_finalize failed.");
+ }
+}
+
+mrb_value
+mrb_io_s_for_fd(mrb_state *mrb, mrb_value klass)
+{
+ struct RClass *c = mrb_class_ptr(klass);
+ enum mrb_vtype ttype = MRB_INSTANCE_TT(c);
+ mrb_value obj;
+
+ /* copied from mrb_instance_alloc() */
+ if (ttype == 0) ttype = MRB_TT_OBJECT;
+ obj = mrb_obj_value((struct RObject*)mrb_obj_alloc(mrb, ttype, c));
+ return mrb_io_initialize(mrb, obj);
+}
+
+mrb_value
+mrb_io_s_sysclose(mrb_state *mrb, mrb_value klass)
+{
+ mrb_int fd;
+ mrb_get_args(mrb, "i", &fd);
+ if (close(fd) == -1) {
+ mrb_sys_fail(mrb, "close");
+ }
+ return mrb_fixnum_value(0);
+}
+
+int
+mrb_cloexec_open(mrb_state *mrb, const char *pathname, mrb_int flags, mrb_int mode)
+{
+ int fd, retry = FALSE;
+
+#ifdef O_CLOEXEC
+ /* O_CLOEXEC is available since Linux 2.6.23. Linux 2.6.18 silently ignore it. */
+ flags |= O_CLOEXEC;
+#elif defined O_NOINHERIT
+ flags |= O_NOINHERIT;
+#endif
+reopen:
+ fd = open(pathname, flags, mode);
+ if (fd == -1) {
+ if (!retry) {
+ switch (errno) {
+ case ENFILE:
+ case EMFILE:
+ mrb_garbage_collect(mrb);
+ retry = TRUE;
+ goto reopen;
+ }
+ }
+ mrb_sys_fail(mrb, "open");
+ }
+
+ if (fd <= 2) {
+ mrb_fd_cloexec(mrb, fd);
+ }
+ return fd;
+}
+
+mrb_value
+mrb_io_s_sysopen(mrb_state *mrb, mrb_value klass)
+{
+ mrb_value path = mrb_nil_value();
+ mrb_value mode = mrb_nil_value();
+ mrb_int fd, flags, perm = -1;
+ const char *pat;
+ int modenum;
+
+ mrb_get_args(mrb, "S|Si", &path, &mode, &perm);
+ if (mrb_nil_p(mode)) {
+ mode = mrb_str_new_cstr(mrb, "r");
+ }
+ if (perm < 0) {
+ perm = 0666;
+ }
+
+ pat = mrb_string_value_cstr(mrb, &path);
+ flags = mrb_io_modestr_to_flags(mrb, mrb_string_value_cstr(mrb, &mode));
+ modenum = mrb_io_flags_to_modenum(mrb, flags);
+ fd = mrb_cloexec_open(mrb, pat, modenum, perm);
+ return mrb_fixnum_value(fd);
+}
+
+mrb_value
+mrb_io_sysread(mrb_state *mrb, mrb_value io)
+{
+ struct mrb_io *fptr;
+ mrb_value buf = mrb_nil_value();
+ mrb_int maxlen;
+ int ret;
+
+ mrb_get_args(mrb, "i|S", &maxlen, &buf);
+ if (maxlen < 0) {
+ return mrb_nil_value();
+ }
+
+ if (mrb_nil_p(buf)) {
+ buf = mrb_str_new(mrb, NULL, maxlen);
+ }
+ if (RSTRING_LEN(buf) != maxlen) {
+ buf = mrb_str_resize(mrb, buf, maxlen);
+ }
+
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, io, &mrb_io_type);
+ ret = read(fptr->fd, RSTRING_PTR(buf), maxlen);
+ switch (ret) {
+ case 0: /* EOF */
+ if (maxlen == 0) {
+ buf = mrb_str_new_cstr(mrb, "");
+ } else {
+ mrb_raise(mrb, E_EOF_ERROR, "sysread failed: End of File");
+ }
+ break;
+ case -1: /* Error */
+ mrb_sys_fail(mrb, "sysread failed");
+ break;
+ default:
+ if (RSTRING_LEN(buf) != ret) {
+ buf = mrb_str_resize(mrb, buf, ret);
+ }
+ break;
+ }
+
+ return buf;
+}
+
+mrb_value
+mrb_io_sysseek(mrb_state *mrb, mrb_value io)
+{
+ struct mrb_io *fptr;
+ int pos;
+ mrb_int offset, whence = -1;
+
+ mrb_get_args(mrb, "i|i", &offset, &whence);
+ if (whence < 0) {
+ whence = 0;
+ }
+
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, io, &mrb_io_type);
+ pos = lseek(fptr->fd, offset, whence);
+ if (pos < 0) {
+ mrb_raise(mrb, E_IO_ERROR, "sysseek faield");
+ }
+
+ return mrb_fixnum_value(pos);
+}
+
+mrb_value
+mrb_io_syswrite(mrb_state *mrb, mrb_value io)
+{
+ struct mrb_io *fptr;
+ mrb_value str, buf;
+ int fd, length;
+
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, io, &mrb_io_type);
+ if (! fptr->writable) {
+ mrb_raise(mrb, E_IO_ERROR, "not opened for writing");
+ }
+
+ mrb_get_args(mrb, "S", &str);
+ if (mrb_type(str) != MRB_TT_STRING) {
+ buf = mrb_funcall(mrb, str, "to_s", 0);
+ } else {
+ buf = str;
+ }
+
+ if (fptr->fd2 == -1) {
+ fd = fptr->fd;
+ } else {
+ fd = fptr->fd2;
+ }
+ length = write(fd, RSTRING_PTR(buf), RSTRING_LEN(buf));
+
+ return mrb_fixnum_value(length);
+}
+
+mrb_value
+mrb_io_close(mrb_state *mrb, mrb_value io)
+{
+ struct mrb_io *fptr;
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, io, &mrb_io_type);
+ if (fptr && fptr->fd < 0) {
+ mrb_raise(mrb, E_IO_ERROR, "closed stream.");
+ }
+ fptr_finalize(mrb, fptr, FALSE);
+ return mrb_nil_value();
+}
+
+mrb_value
+mrb_io_closed(mrb_state *mrb, mrb_value io)
+{
+ struct mrb_io *fptr;
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, io, &mrb_io_type);
+ if (fptr->fd >= 0) {
+ return mrb_false_value();
+ }
+
+ return mrb_true_value();
+}
+
+mrb_value
+mrb_io_pid(mrb_state *mrb, mrb_value io)
+{
+ struct mrb_io *fptr;
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, io, &mrb_io_type);
+
+ if (fptr->pid > 0) {
+ return mrb_fixnum_value(fptr->pid);
+ }
+
+ return mrb_nil_value();
+}
+
+static struct timeval
+time2timeval(mrb_state *mrb, mrb_value time)
+{
+ struct timeval t = { 0, 0 };
+
+ switch (mrb_type(time)) {
+ case MRB_TT_FIXNUM:
+ t.tv_sec = mrb_fixnum(time);
+ t.tv_usec = 0;
+ break;
+
+ case MRB_TT_FLOAT:
+ t.tv_sec = mrb_float(time);
+ t.tv_usec = (mrb_float(time) - t.tv_sec) * 1000000.0;
+ break;
+
+ default:
+ mrb_raise(mrb, E_TYPE_ERROR, "wrong argument class");
+ }
+
+ return t;
+}
+
+static int
+mrb_io_read_data_pending(mrb_state *mrb, mrb_value io)
+{
+ mrb_value buf = mrb_iv_get(mrb, io, mrb_intern_cstr(mrb, "@buf"));
+ if (mrb_type(buf) == MRB_TT_STRING && RSTRING_LEN(buf) > 0) {
+ return 1;
+ }
+ return 0;
+}
+
+static mrb_value
+mrb_io_s_select(mrb_state *mrb, mrb_value klass)
+{
+ mrb_value *argv;
+ mrb_int argc;
+ mrb_value read, read_io, write, except, timeout, list;
+ struct timeval *tp, timerec;
+ fd_set pset, rset, wset, eset;
+ fd_set *rp, *wp, *ep;
+ struct mrb_io *fptr;
+ int pending = 0;
+ mrb_value result;
+ int max = 0;
+ int interrupt_flag = 0;
+ int i, n;
+
+ mrb_get_args(mrb, "*", &argv, &argc);
+
+ if (argc < 1 || argc > 4) {
+ mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%S for 1..4)", mrb_fixnum_value(argc));
+ }
+
+ timeout = mrb_nil_value();
+ except = mrb_nil_value();
+ write = mrb_nil_value();
+ if (argc > 3)
+ timeout = argv[3];
+ if (argc > 2)
+ except = argv[2];
+ if (argc > 1)
+ write = argv[1];
+ read = argv[0];
+
+ if (mrb_nil_p(timeout)) {
+ tp = NULL;
+ } else {
+ timerec = time2timeval(mrb, timeout);
+ tp = &timerec;
+ }
+
+ FD_ZERO(&pset);
+ if (!mrb_nil_p(read)) {
+ mrb_check_type(mrb, read, MRB_TT_ARRAY);
+ rp = &rset;
+ FD_ZERO(rp);
+ for (i = 0; i < RARRAY_LEN(read); i++) {
+ read_io = RARRAY_PTR(read)[i];
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, read_io, &mrb_io_type);
+ FD_SET(fptr->fd, rp);
+ if (mrb_io_read_data_pending(mrb, read_io)) {
+ pending++;
+ FD_SET(fptr->fd, &pset);
+ }
+ if (max < fptr->fd)
+ max = fptr->fd;
+ }
+ if (pending) {
+ timerec.tv_sec = timerec.tv_usec = 0;
+ tp = &timerec;
+ }
+ } else {
+ rp = NULL;
+ }
+
+ if (!mrb_nil_p(write)) {
+ mrb_check_type(mrb, write, MRB_TT_ARRAY);
+ wp = &wset;
+ FD_ZERO(wp);
+ for (i = 0; i < RARRAY_LEN(write); i++) {
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, RARRAY_PTR(write)[i], &mrb_io_type);
+ FD_SET(fptr->fd, wp);
+ if (max < fptr->fd)
+ max = fptr->fd;
+ if (fptr->fd2 >= 0) {
+ FD_SET(fptr->fd2, wp);
+ if (max < fptr->fd2)
+ max = fptr->fd2;
+ }
+ }
+ } else {
+ wp = NULL;
+ }
+
+ if (!mrb_nil_p(except)) {
+ mrb_check_type(mrb, except, MRB_TT_ARRAY);
+ ep = &eset;
+ FD_ZERO(ep);
+ for (i = 0; i < RARRAY_LEN(except); i++) {
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, RARRAY_PTR(except)[i], &mrb_io_type);
+ FD_SET(fptr->fd, ep);
+ if (max < fptr->fd)
+ max = fptr->fd;
+ if (fptr->fd2 >= 0) {
+ FD_SET(fptr->fd2, ep);
+ if (max < fptr->fd2)
+ max = fptr->fd2;
+ }
+ }
+ } else {
+ ep = NULL;
+ }
+
+ max++;
+
+retry:
+ n = select(max, rp, wp, ep, tp);
+ if (n < 0) {
+ if (errno != EINTR)
+ mrb_sys_fail(mrb, "select failed");
+ if (tp == NULL)
+ goto retry;
+ interrupt_flag = 1;
+ }
+
+ if (!pending && n == 0)
+ return mrb_nil_value();
+
+ result = mrb_ary_new_capa(mrb, 3);
+ mrb_ary_push(mrb, result, rp? mrb_ary_new(mrb) : mrb_ary_new_capa(mrb, 0));
+ mrb_ary_push(mrb, result, wp? mrb_ary_new(mrb) : mrb_ary_new_capa(mrb, 0));
+ mrb_ary_push(mrb, result, ep? mrb_ary_new(mrb) : mrb_ary_new_capa(mrb, 0));
+
+ if (interrupt_flag == 0) {
+ if (rp) {
+ list = RARRAY_PTR(result)[0];
+ for (i = 0; i < RARRAY_LEN(read); i++) {
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, RARRAY_PTR(read)[i], &mrb_io_type);
+ if (FD_ISSET(fptr->fd, rp) ||
+ FD_ISSET(fptr->fd, &pset)) {
+ mrb_ary_push(mrb, list, RARRAY_PTR(read)[i]);
+ }
+ }
+ }
+
+ if (wp) {
+ list = RARRAY_PTR(result)[1];
+ for (i = 0; i < RARRAY_LEN(write); i++) {
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, RARRAY_PTR(write)[i], &mrb_io_type);
+ if (FD_ISSET(fptr->fd, wp)) {
+ mrb_ary_push(mrb, list, RARRAY_PTR(write)[i]);
+ } else if (fptr->fd2 >= 0 && FD_ISSET(fptr->fd2, wp)) {
+ mrb_ary_push(mrb, list, RARRAY_PTR(write)[i]);
+ }
+ }
+ }
+
+ if (ep) {
+ list = RARRAY_PTR(result)[2];
+ for (i = 0; i < RARRAY_LEN(except); i++) {
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, RARRAY_PTR(except)[i], &mrb_io_type);
+ if (FD_ISSET(fptr->fd, ep)) {
+ mrb_ary_push(mrb, list, RARRAY_PTR(except)[i]);
+ } else if (fptr->fd2 >= 0 && FD_ISSET(fptr->fd2, ep)) {
+ mrb_ary_push(mrb, list, RARRAY_PTR(except)[i]);
+ }
+ }
+ }
+ }
+
+ return result;
+}
+
+mrb_value
+mrb_io_fileno(mrb_state *mrb, mrb_value io)
+{
+ struct mrb_io *fptr;
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, io, &mrb_io_type);
+ return mrb_fixnum_value(fptr->fd);
+}
+
+mrb_value
+mrb_io_close_on_exec_p(mrb_state *mrb, mrb_value io)
+{
+#if defined(F_GETFD) && defined(F_SETFD) && defined(FD_CLOEXEC)
+ struct mrb_io *fptr;
+ int ret;
+
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, io, &mrb_io_type);
+ if (fptr->fd < 0) {
+ mrb_raise(mrb, E_IO_ERROR, "closed stream");
+ }
+
+ if (fptr->fd2 >= 0) {
+ if ((ret = fcntl(fptr->fd2, F_GETFD)) == -1) mrb_sys_fail(mrb, "F_GETFD failed");
+ if (!(ret & FD_CLOEXEC)) return mrb_false_value();
+ }
+
+ if ((ret = fcntl(fptr->fd, F_GETFD)) == -1) mrb_sys_fail(mrb, "F_GETFD failed");
+ if (!(ret & FD_CLOEXEC)) return mrb_false_value();
+ return mrb_true_value();
+
+#else
+ mrb_raise(mrb, E_NOTIMP_ERROR, "IO#close_on_exec? is not supported on the platform");
+ return mrb_false_value();
+#endif
+}
+
+mrb_value
+mrb_io_set_close_on_exec(mrb_state *mrb, mrb_value io)
+{
+#if defined(F_GETFD) && defined(F_SETFD) && defined(FD_CLOEXEC)
+ struct mrb_io *fptr;
+ int flag, ret;
+ mrb_bool b;
+
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, io, &mrb_io_type);
+ if (fptr->fd < 0) {
+ mrb_raise(mrb, E_IO_ERROR, "closed stream");
+ }
+
+ mrb_get_args(mrb, "b", &b);
+ flag = b ? FD_CLOEXEC : 0;
+
+ if (fptr->fd2 >= 0) {
+ if ((ret = fcntl(fptr->fd2, F_GETFD)) == -1) mrb_sys_fail(mrb, "F_GETFD failed");
+ if ((ret & FD_CLOEXEC) != flag) {
+ ret = (ret & ~FD_CLOEXEC) | flag;
+ ret = fcntl(fptr->fd2, F_SETFD, ret);
+
+ if (ret == -1) mrb_sys_fail(mrb, "F_SETFD failed");
+ }
+ }
+
+ if ((ret = fcntl(fptr->fd, F_GETFD)) == -1) mrb_sys_fail(mrb, "F_GETFD failed");
+ if ((ret & FD_CLOEXEC) != flag) {
+ ret = (ret & ~FD_CLOEXEC) | flag;
+ ret = fcntl(fptr->fd, F_SETFD, ret);
+ if (ret == -1) mrb_sys_fail(mrb, "F_SETFD failed");
+ }
+
+ return mrb_bool_value(b);
+#else
+ mrb_raise(mrb, E_NOTIMP_ERROR, "IO#close_on_exec= is not supported on the platform");
+ return mrb_nil_value();
+#endif
+}
+
+mrb_value
+mrb_io_set_sync(mrb_state *mrb, mrb_value self)
+{
+ struct mrb_io *fptr;
+ mrb_bool b;
+
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, self, &mrb_io_type);
+ if (fptr->fd < 0) {
+ mrb_raise(mrb, E_IO_ERROR, "closed stream.");
+ }
+
+ mrb_get_args(mrb, "b", &b);
+ fptr->sync = b;
+ return mrb_bool_value(b);
+}
+
+mrb_value
+mrb_io_sync(mrb_state *mrb, mrb_value self)
+{
+ struct mrb_io *fptr;
+
+ fptr = (struct mrb_io *)mrb_get_datatype(mrb, self, &mrb_io_type);
+ if (fptr->fd < 0) {
+ mrb_raise(mrb, E_IO_ERROR, "closed stream.");
+ }
+ return mrb_bool_value(fptr->sync);
+}
+
+void
+mrb_init_io(mrb_state *mrb)
+{
+ struct RClass *io;
+
+ io = mrb_define_class(mrb, "IO", mrb->object_class);
+ MRB_SET_INSTANCE_TT(io, MRB_TT_DATA);
+
+ mrb_include_module(mrb, io, mrb_module_get(mrb, "Enumerable")); /* 15.2.20.3 */
+#ifndef _WIN32
+ mrb_define_class_method(mrb, io, "_popen", mrb_io_s_popen, MRB_ARGS_ANY());
+ mrb_define_class_method(mrb, io, "_sysclose", mrb_io_s_sysclose, MRB_ARGS_REQ(1));
+#endif
+ mrb_define_class_method(mrb, io, "for_fd", mrb_io_s_for_fd, MRB_ARGS_ANY());
+ mrb_define_class_method(mrb, io, "select", mrb_io_s_select, MRB_ARGS_ANY());
+ mrb_define_class_method(mrb, io, "sysopen", mrb_io_s_sysopen, MRB_ARGS_ANY());
+
+ mrb_define_method(mrb, io, "initialize", mrb_io_initialize, MRB_ARGS_ANY()); /* 15.2.20.5.21 (x)*/
+ mrb_define_method(mrb, io, "sync", mrb_io_sync, MRB_ARGS_NONE());
+ mrb_define_method(mrb, io, "sync=", mrb_io_set_sync, MRB_ARGS_REQ(1));
+ mrb_define_method(mrb, io, "sysread", mrb_io_sysread, MRB_ARGS_ANY());
+ mrb_define_method(mrb, io, "sysseek", mrb_io_sysseek, MRB_ARGS_REQ(1));
+ mrb_define_method(mrb, io, "syswrite", mrb_io_syswrite, MRB_ARGS_REQ(1));
+ mrb_define_method(mrb, io, "close", mrb_io_close, MRB_ARGS_NONE()); /* 15.2.20.5.1 */
+ mrb_define_method(mrb, io, "close_on_exec=", mrb_io_set_close_on_exec, MRB_ARGS_REQ(1));
+ mrb_define_method(mrb, io, "close_on_exec?", mrb_io_close_on_exec_p, MRB_ARGS_NONE());
+ mrb_define_method(mrb, io, "closed?", mrb_io_closed, MRB_ARGS_NONE()); /* 15.2.20.5.2 */
+ mrb_define_method(mrb, io, "pid", mrb_io_pid, MRB_ARGS_NONE()); /* 15.2.20.5.2 */
+ mrb_define_method(mrb, io, "fileno", mrb_io_fileno, MRB_ARGS_NONE());
+
+
+ mrb_gv_set(mrb, mrb_intern_cstr(mrb, "$/"), mrb_str_new_cstr(mrb, "\n"));
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-12 17:31:17 +0000