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execute: use fd_nonblock()//fd_cloexec() where applicable

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This commit is contained in:
Lennart Poettering 2010-04-06 21:53:39 +02:00
parent 3a0ecb08f4
commit e2c76839a3
1 changed files with 5 additions and 15 deletions
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20
execute.c
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@ -137,6 +137,7 @@ static int shift_fds(int fds[], unsigned n_fds) {
static int flags_fds(int fds[], unsigned n_fds, bool nonblock) {
unsigned i;
int r;
if (n_fds <= 0)
return 0;
@ -146,27 +147,16 @@ static int flags_fds(int fds[], unsigned n_fds, bool nonblock) {
/* Drops/Sets O_NONBLOCK and FD_CLOEXEC from the file flags */
for (i = 0; i < n_fds; i++) {
int flags;
if ((flags = fcntl(fds[i], F_GETFL, 0)) < 0)
return -errno;
if (nonblock)
flags |= O_NONBLOCK;
else
flags &= ~O_NONBLOCK;
if (fcntl(fds[i], F_SETFL, flags) < 0)
return -errno;
if ((r = fd_nonblock(fds[i], nonblock)) < 0)
return r;
/* We unconditionally drop FD_CLOEXEC from the fds,
* since after all we want to pass these fds to our
* children */
if ((flags = fcntl(fds[i], F_GETFD, 0)) < 0)
return -errno;
if (fcntl(fds[i], F_SETFD, flags &~FD_CLOEXEC) < 0)
return -errno;
if ((r = fd_cloexec(fds[i], false)) < 0)
return r;
}
return 0;