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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-12 03:50:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-12 03:50:40 +0000
commitfc53809803cd2bc2434e312b19a18fa36776da12 (patch)
treeb4b43bd6538f51965ce32856e9c053d0f90919c8 /src/basic/signal-util.c
parentAdding upstream version 255.5. (diff)
downloadsystemd-fc53809803cd2bc2434e312b19a18fa36776da12.tar.xz
systemd-fc53809803cd2bc2434e312b19a18fa36776da12.zip
Adding upstream version 256.upstream/256
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/basic/signal-util.c')
-rw-r--r--src/basic/signal-util.c88
1 files changed, 41 insertions, 47 deletions
diff --git a/src/basic/signal-util.c b/src/basic/signal-util.c
index 5d948462..27d094b 100644
--- a/src/basic/signal-util.c
+++ b/src/basic/signal-util.c
@@ -18,7 +18,7 @@ int reset_all_signal_handlers(void) {
.sa_handler = SIG_DFL,
.sa_flags = SA_RESTART,
};
- int r = 0;
+ int ret = 0, r;
for (int sig = 1; sig < _NSIG; sig++) {
@@ -26,14 +26,14 @@ int reset_all_signal_handlers(void) {
if (IN_SET(sig, SIGKILL, SIGSTOP))
continue;
- /* On Linux the first two RT signals are reserved by
- * glibc, and sigaction() will return EINVAL for them. */
- if (sigaction(sig, &sa, NULL) < 0)
- if (errno != EINVAL && r >= 0)
- r = -errno;
+ /* On Linux the first two RT signals are reserved by glibc, and sigaction() will return
+ * EINVAL for them. */
+ r = RET_NERRNO(sigaction(sig, &sa, NULL));
+ if (r != -EINVAL)
+ RET_GATHER(ret, r);
}
- return r;
+ return ret;
}
int reset_signal_mask(void) {
@@ -57,10 +57,7 @@ int sigaction_many_internal(const struct sigaction *sa, ...) {
if (sig == 0)
continue;
- if (sigaction(sig, sa, NULL) < 0) {
- if (r >= 0)
- r = -errno;
- }
+ RET_GATHER(r, RET_NERRNO(sigaction(sig, sa, NULL)));
}
va_end(ap);
@@ -87,7 +84,7 @@ static int sigset_add_many_ap(sigset_t *ss, va_list ap) {
return r;
}
-int sigset_add_many(sigset_t *ss, ...) {
+int sigset_add_many_internal(sigset_t *ss, ...) {
va_list ap;
int r;
@@ -98,7 +95,7 @@ int sigset_add_many(sigset_t *ss, ...) {
return r;
}
-int sigprocmask_many(int how, sigset_t *old, ...) {
+int sigprocmask_many_internal(int how, sigset_t *old, ...) {
va_list ap;
sigset_t ss;
int r;
@@ -113,46 +110,43 @@ int sigprocmask_many(int how, sigset_t *old, ...) {
if (r < 0)
return r;
- if (sigprocmask(how, &ss, old) < 0)
- return -errno;
-
- return 0;
+ return RET_NERRNO(sigprocmask(how, &ss, old));
}
static const char *const static_signal_table[] = {
- [SIGHUP] = "HUP",
- [SIGINT] = "INT",
- [SIGQUIT] = "QUIT",
- [SIGILL] = "ILL",
- [SIGTRAP] = "TRAP",
- [SIGABRT] = "ABRT",
- [SIGBUS] = "BUS",
- [SIGFPE] = "FPE",
- [SIGKILL] = "KILL",
- [SIGUSR1] = "USR1",
- [SIGSEGV] = "SEGV",
- [SIGUSR2] = "USR2",
- [SIGPIPE] = "PIPE",
- [SIGALRM] = "ALRM",
- [SIGTERM] = "TERM",
+ [SIGHUP] = "HUP",
+ [SIGINT] = "INT",
+ [SIGQUIT] = "QUIT",
+ [SIGILL] = "ILL",
+ [SIGTRAP] = "TRAP",
+ [SIGABRT] = "ABRT",
+ [SIGBUS] = "BUS",
+ [SIGFPE] = "FPE",
+ [SIGKILL] = "KILL",
+ [SIGUSR1] = "USR1",
+ [SIGSEGV] = "SEGV",
+ [SIGUSR2] = "USR2",
+ [SIGPIPE] = "PIPE",
+ [SIGALRM] = "ALRM",
+ [SIGTERM] = "TERM",
#ifdef SIGSTKFLT
[SIGSTKFLT] = "STKFLT", /* Linux on SPARC doesn't know SIGSTKFLT */
#endif
- [SIGCHLD] = "CHLD",
- [SIGCONT] = "CONT",
- [SIGSTOP] = "STOP",
- [SIGTSTP] = "TSTP",
- [SIGTTIN] = "TTIN",
- [SIGTTOU] = "TTOU",
- [SIGURG] = "URG",
- [SIGXCPU] = "XCPU",
- [SIGXFSZ] = "XFSZ",
+ [SIGCHLD] = "CHLD",
+ [SIGCONT] = "CONT",
+ [SIGSTOP] = "STOP",
+ [SIGTSTP] = "TSTP",
+ [SIGTTIN] = "TTIN",
+ [SIGTTOU] = "TTOU",
+ [SIGURG] = "URG",
+ [SIGXCPU] = "XCPU",
+ [SIGXFSZ] = "XFSZ",
[SIGVTALRM] = "VTALRM",
- [SIGPROF] = "PROF",
- [SIGWINCH] = "WINCH",
- [SIGIO] = "IO",
- [SIGPWR] = "PWR",
- [SIGSYS] = "SYS"
+ [SIGPROF] = "PROF",
+ [SIGWINCH] = "WINCH",
+ [SIGIO] = "IO",
+ [SIGPWR] = "PWR",
+ [SIGSYS] = "SYS"
};
DEFINE_PRIVATE_STRING_TABLE_LOOKUP(static_signal, int);
@@ -274,7 +268,7 @@ int pop_pending_signal_internal(int sig, ...) {
if (r < 0)
return r;
- r = sigtimedwait(&ss, NULL, &(struct timespec) { 0, 0 });
+ r = sigtimedwait(&ss, NULL, &(const struct timespec) {});
if (r < 0) {
if (errno == EAGAIN)
return 0;