summaryrefslogtreecommitdiff
path: root/lib/cloexec.c
diff options
context:
space:
mode:
authorPaul Eggert <eggert@cs.ucla.edu>2004-03-30 23:59:03 +0000
committerPaul Eggert <eggert@cs.ucla.edu>2004-03-30 23:59:03 +0000
commita8d12f1b53177f6e38e53de9dd48d58a5d41396b (patch)
treeee8d8da41ae71c8ffbee839240477f1fa7e6e62c /lib/cloexec.c
parent6f2d98f7b497c21390d667021b9ba6d516edcd4d (diff)
downloadgnulib-a8d12f1b53177f6e38e53de9dd48d58a5d41396b.tar.gz
cloexec returns int not bool, to be more consistent with Unix conventions.
Diffstat (limited to 'lib/cloexec.c')
-rw-r--r--lib/cloexec.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/lib/cloexec.c b/lib/cloexec.c
index 20f30db45d..e07cdd3d5d 100644
--- a/lib/cloexec.c
+++ b/lib/cloexec.c
@@ -37,27 +37,29 @@
/* Set the `FD_CLOEXEC' flag of DESC if VALUE is true,
or clear the flag if VALUE is false.
- Return true on success, or false on error with `errno' set. */
+ Return 0 on success, or -1 on error with `errno' set. */
-bool
+int
set_cloexec_flag (int desc, bool value)
{
#if defined F_GETFD && defined F_SETFD
int flags = fcntl (desc, F_GETFD, 0);
- int newflags;
- if (flags < 0)
- return false;
+ if (0 <= flags)
+ {
+ int newflags = (value ? flags | FD_CLOEXEC : flags & ~FD_CLOEXEC);
- newflags = (value ? flags | FD_CLOEXEC : flags & ~FD_CLOEXEC);
+ if (flags == newflags
+ || fcntl (desc, F_SETFD, newflags) != -1)
+ return 0;
+ }
- return (flags == newflags
- || fcntl (desc, F_SETFD, newflags) != -1);
+ return -1;
#else
- return true;
+ return 0;
#endif
}