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Diffstat (limited to 'src/shared')
-rw-r--r--src/shared/util.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/src/shared/util.c b/src/shared/util.c
index 4a3e35f356..7a4dacd213 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -1377,17 +1377,21 @@ bool ignore_file(const char *filename) {
}
int fd_nonblock(int fd, bool nonblock) {
- int flags;
+ int flags, nflags;
assert(fd >= 0);
- if ((flags = fcntl(fd, F_GETFL, 0)) < 0)
+ flags = fcntl(fd, F_GETFL, 0);
+ if (flags < 0)
return -errno;
if (nonblock)
- flags |= O_NONBLOCK;
+ nflags = flags | O_NONBLOCK;
else
- flags &= ~O_NONBLOCK;
+ nflags = flags & ~O_NONBLOCK;
+
+ if (nflags == flags)
+ return 0;
if (fcntl(fd, F_SETFL, flags) < 0)
return -errno;
@@ -1396,17 +1400,21 @@ int fd_nonblock(int fd, bool nonblock) {
}
int fd_cloexec(int fd, bool cloexec) {
- int flags;
+ int flags, nflags;
assert(fd >= 0);
- if ((flags = fcntl(fd, F_GETFD, 0)) < 0)
+ flags = fcntl(fd, F_GETFD, 0);
+ if (flags < 0)
return -errno;
if (cloexec)
- flags |= FD_CLOEXEC;
+ nflags = flags | FD_CLOEXEC;
else
- flags &= ~FD_CLOEXEC;
+ nflags = flags & ~FD_CLOEXEC;
+
+ if (nflags == flags)
+ return 0;
if (fcntl(fd, F_SETFD, flags) < 0)
return -errno;