diff options
Diffstat (limited to 'libc/unistd/sleep.c')
| -rw-r--r-- | libc/unistd/sleep.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/libc/unistd/sleep.c b/libc/unistd/sleep.c index 3d3d516ab..92944af18 100644 --- a/libc/unistd/sleep.c +++ b/libc/unistd/sleep.c @@ -18,19 +18,25 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#define sigaction __sigaction -#define nanosleep __nanosleep - #include <errno.h> #include <time.h> #include <signal.h> #include <unistd.h> +libc_hidden_proto(sleep) + +libc_hidden_proto(sigaction) +libc_hidden_proto(sigprocmask) +//libc_hidden_proto(__sigaddset) +//libc_hidden_proto(__sigemptyset) +//libc_hidden_proto(__sigismember) +libc_hidden_proto(nanosleep) + #if 0 /* This is a quick and dirty, but not 100% compliant with * the stupid SysV SIGCHLD vs. SIG_IGN behaviour. It is * fine unless you are messing with SIGCHLD... */ -unsigned int attribute_hidden __sleep (unsigned int sec) +unsigned int sleep (unsigned int sec) { unsigned int res; struct timespec ts = { .tv_sec = (long int) seconds, .tv_nsec = 0 }; @@ -44,7 +50,7 @@ unsigned int attribute_hidden __sleep (unsigned int sec) /* We are going to use the `nanosleep' syscall of the kernel. But the kernel does not implement the sstupid SysV SIGCHLD vs. SIG_IGN behaviour for this syscall. Therefore we have to emulate it here. */ -unsigned int attribute_hidden __sleep (unsigned int seconds) +unsigned int sleep (unsigned int seconds) { struct timespec ts = { .tv_sec = (long int) seconds, .tv_nsec = 0 }; sigset_t set, oset; @@ -59,7 +65,7 @@ unsigned int attribute_hidden __sleep (unsigned int seconds) in libc. We block SIGCHLD first. */ if (__sigemptyset (&set) < 0 || __sigaddset (&set, SIGCHLD) < 0 - || __sigprocmask (SIG_BLOCK, &set, &oset)) + || sigprocmask (SIG_BLOCK, &set, &oset)) return -1; /* If SIGCHLD is already blocked, we don't have to do anything. */ @@ -76,7 +82,7 @@ unsigned int attribute_hidden __sleep (unsigned int seconds) { saved_errno = errno; /* Restore the original signal mask. */ - (void) __sigprocmask (SIG_SETMASK, &oset, (sigset_t *) NULL); + (void) sigprocmask (SIG_SETMASK, &oset, (sigset_t *) NULL); __set_errno (saved_errno); return -1; } @@ -88,13 +94,13 @@ unsigned int attribute_hidden __sleep (unsigned int seconds) saved_errno = errno; /* Restore the original signal mask. */ - (void) __sigprocmask (SIG_SETMASK, &oset, (sigset_t *) NULL); + (void) sigprocmask (SIG_SETMASK, &oset, (sigset_t *) NULL); __set_errno (saved_errno); } else { /* We should unblock SIGCHLD. Restore the original signal mask. */ - (void) __sigprocmask (SIG_SETMASK, &oset, (sigset_t *) NULL); + (void) sigprocmask (SIG_SETMASK, &oset, (sigset_t *) NULL); result = nanosleep (&ts, &ts); } } @@ -108,4 +114,4 @@ unsigned int attribute_hidden __sleep (unsigned int seconds) return result; } #endif -strong_alias(__sleep,sleep) +libc_hidden_def(sleep) |