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close_range.2: Minor tweaks to Stephen Kitt's patch 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2021-01-24 15:53:53 +01:00
parent bd704558d9
commit 8a7d961f0c
1 changed files with 6 additions and 6 deletions
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12
man2/close_range.2
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@ -50,11 +50,11 @@ Errors closing a given file descriptor are currently ignored.
is a bit mask containing 0 or more of the following:
.TP
.BR CLOSE_RANGE_CLOEXEC " (since Linux 5.11)"
sets the file descriptor's close-on-exec flag instead of
immediately closing the file descriptors.
Set the close-on-exec flag on the specified file descriptors,
rather than immediately closing them.
.TP
.B CLOSE_RANGE_UNSHARE
unshares the range of file descriptors from any other processes,
Unshare the specified file descriptors from any other processes
before closing them,
avoiding races with other threads sharing the file descriptor table.
.SH RETURN VALUE
@ -63,7 +63,7 @@ On success,
returns 0.
On error, \-1 is returned and
.I errno
is set to indicate the cause of the error.
is set to indicate the error.
.SH ERRORS
.TP
.B EINVAL
@ -204,13 +204,13 @@ main(int argc, char *argv[])
}
for (int i = 2; i < argc; i++) {
if (open(argv[i], O_RDONLY) == -1) {
if (open(argv[i], O_RDONLY) == \-1) {
perror(argv[i]);
exit(EXIT_FAILURE);
}
}
if (syscall(__NR_close_range, 3, ~0U, 0) == -1) {
if (syscall(__NR_close_range, 3, ~0U, 0) == \-1) {
perror("close_range");
exit(EXIT_FAILURE);
}