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Reset errno after EINTR

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This commit is contained in:
Lorenz Stechauner
2022-12-29 10:14:14 +01:00
parent b90ed61e03
commit cf3cff0746
3 changed files with 18 additions and 0 deletions
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6
src/logger.c
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@ -93,9 +93,11 @@ void logmsgf(log_lvl_t level, const char *restrict format, ...) {
try_again_free:
if (sem_wait(&sem_buf_free) != 0) {
if (errno == EINTR) {
errno = 0;
goto try_again_free;
} else {
err("Unable to lock semaphore");
errno = 0;
}
// cleanup
va_end(args);
@ -106,9 +108,11 @@ void logmsgf(log_lvl_t level, const char *restrict format, ...) {
try_again_buf:
if (sem_wait(&sem_buf) != 0) {
if (errno == EINTR) {
errno = 0;
goto try_again_buf;
} else {
err("Unable to lock semaphore");
errno = 0;
}
// cleanup
sem_post(&sem_buf_free);
@ -204,9 +208,11 @@ static void *logger_thread(void *arg) {
// wait for buffer to be filled
if (sem_wait(&sem_buf_used) != 0) {
if (errno == EINTR) {
errno = 0;
continue;
} else {
err("Unable to lock semaphore");
errno = 0;
break;
}
}