mirrors/musl
1
0
Fork 0
mirror of https://git.musl-libc.org/git/musl synced 2025-01-08 07:42:09 +03:00
Code Issues Packages Projects Releases Wiki Activity

daemon should check for failures and return -1

Browse Source
This commit is contained in:
Rich Felker 2011-02-17 10:28:56 -05:00
parent b24bc15f5c
commit 19e35c500b
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/linux/daemon.c
View File

@ -19,12 +19,15 @@ int daemon(int nochdir, int noclose)
default: _exit(0);
}
if (!nochdir) chdir("/");
if (!noclose && (fd = open("/dev/null", O_RDWR)) >= 0) {
dup2(fd, 0);
dup2(fd, 1);
dup2(fd, 2);
if (!nochdir && chdir("/"))
return -1;
if (!noclose) {
int failed = 0;
if ((fd = open("/dev/null", O_RDWR)) < 0) return -1;
if (dup2(fd, 0) < 0 || dup2(fd, 1) < 0 || dup2(fd, 2) < 0)
failed++;
if (fd > 2) close(fd);
if (failed) return -1;
}
return 0;