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authorMike Frysinger <vapier@gentoo.org>2009-08-13 07:49:07 -0400
committerMike Frysinger <vapier@gentoo.org>2009-09-15 18:00:40 -0400
commit6d6bd8ba78434ecb09395582b5f3e41febd4d4ee (patch)
tree7bc6019efe5b8a6af606c6afb92f08f6839ff6dd /libc/unistd/daemon.c
parent308f5c6e5fd56ea3d1a5512e34388aad788f1180 (diff)
daemon: fix up INTERNAL_SYSCALL() usage
Make sure we declare the error properly in case a port uses it, and fix the invocation of exit(). Since clone() will be returning a pid, assume that the value will not have the MSB set (negative) to simplify the error test a bit more. If gcc supports it, force this function to always be heavily optimized in a bid to avoid stack usage as much as possible. Signed-off-by: James Coleman <james.coleman@ubicom.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'libc/unistd/daemon.c')
-rw-r--r--libc/unistd/daemon.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/libc/unistd/daemon.c b/libc/unistd/daemon.c
index 3dcd995d2..741672ec0 100644
--- a/libc/unistd/daemon.c
+++ b/libc/unistd/daemon.c
@@ -55,12 +55,14 @@
/* use clone() to get fork() like behavior here -- we just want to disassociate
* from the controlling terminal
*/
-static inline pid_t _fork_parent(void)
+static inline attribute_optimize("O3")
+pid_t _fork_parent(void)
{
- register unsigned long ret = INTERNAL_SYSCALL(clone, wtf, 2, CLONE_VM, 0);
- if (ret != -1 && ret != 0)
+ INTERNAL_SYSCALL_DECL(err);
+ register long ret = INTERNAL_SYSCALL(clone, err, 2, CLONE_VM, 0);
+ if (ret > 0)
/* parent needs to die now w/out touching stack */
- INTERNAL_SYSCALL(exit, wtf, 0);
+ INTERNAL_SYSCALL(exit, err, 1, 0);
return ret;
}
static inline pid_t fork_parent(void)