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authorMax Kellermann <max@duempel.org>2010-08-03 18:03:55 +0200
committerMax Kellermann <max@duempel.org>2010-08-03 18:03:55 +0200
commit68c02fc95af57a0b3be64aa214125be2d3ed1cf7 (patch)
treebaf4db9e06b50ac07555a8d89d9885cdf3dce916 /src/fd_util.h
parentd18c1b1a0ab57d77ba823cfedf40077d24dafbd7 (diff)
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fd_util: add function dup_cloexec()
Unfortunately, there's no "optimized" implementation here. We can't use Linux's proprietary system call dup3(), because it would require us to specify the new descriptor.
Diffstat (limited to 'src/fd_util.h')
-rw-r--r--src/fd_util.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/fd_util.h b/src/fd_util.h
index 80fb98703..5b80df2c7 100644
--- a/src/fd_util.h
+++ b/src/fd_util.h
@@ -50,6 +50,13 @@
struct sockaddr;
/**
+ * Wrapper for dup(), which sets the CLOEXEC flag on the new
+ * descriptor.
+ */
+int
+dup_cloexec(int oldfd);
+
+/**
* Wrapper for open(), which sets the CLOEXEC flag (atomically if
* supported by the OS).
*/