summaryrefslogtreecommitdiff
path: root/libc
diff options
context:
space:
mode:
authorMike Frysinger <vapier@gentoo.org>2011-07-19 16:05:52 -0400
committerMike Frysinger <vapier@gentoo.org>2011-11-20 02:47:50 -0500
commit117a32a63b837730cc97b0a233ab46e9abc6c7a7 (patch)
tree8a0f4b5fa2058c09f300c1701440a0864b4d5918 /libc
parent4a2b0641a3818ad14b886907368b6f6735615f6d (diff)
stdio: add support for "e" flag with fopen()
Support this useful glibc extension for optionally setting O_CLOEXEC on fopen streams. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'libc')
-rw-r--r--libc/stdio/_fopen.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/libc/stdio/_fopen.c b/libc/stdio/_fopen.c
index 2db27a898..5bc61cf39 100644
--- a/libc/stdio/_fopen.c
+++ b/libc/stdio/_fopen.c
@@ -69,7 +69,8 @@ FILE attribute_hidden *_stdio_fopen(intptr_t fname_or_mode,
#warning CONSIDER: Implement glibc mmap option for readonly files?
#warning CONSIDER: Implement a text mode using custom read/write funcs?
#endif
-#if defined(__UCLIBC_HAS_FOPEN_EXCLUSIVE_MODE__) || defined(__UCLIBC_HAS_FOPEN_LARGEFILE_MODE__)
+#if defined(__UCLIBC_HAS_FOPEN_EXCLUSIVE_MODE__) || defined(__UCLIBC_HAS_FOPEN_LARGEFILE_MODE__) || \
+ defined(__UCLIBC_HAS_FOPEN_CLOSEEXEC_MODE__)
while (*++mode) {
# ifdef __UCLIBC_HAS_FOPEN_EXCLUSIVE_MODE__
@@ -84,6 +85,12 @@ FILE attribute_hidden *_stdio_fopen(intptr_t fname_or_mode,
continue;
}
# endif
+# ifdef __UCLIBC_HAS_FOPEN_CLOSEEXEC_MODE__
+ if (*mode == 'e') { /* Close on exec (a glibc extension). */
+ open_mode |= O_CLOEXEC;
+ continue;
+ }
+# endif
}
#endif