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use pwrite to always write at the begining of the file.. If multiple calls

Browse source 
to pidfile_write happen, the pidfile will have nul characters prepended
due to the cached file descriptor offset...

Reviewed by:	scottl
MFC after:	3 days
This commit is contained in:
John-Mark Gurney 2006-04-11 23:10:02 +00:00
parent 6070eb3f93
commit 4d5e876be3
1 changed files with 1 additions and 1 deletions
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2
lib/libutil/pidfile.c
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@ -175,7 +175,7 @@ pidfile_write(struct pidfh *pfh)
}
snprintf(pidstr, sizeof(pidstr), "%u", getpid());
if (write(fd, pidstr, strlen(pidstr)) != (ssize_t)strlen(pidstr)) {
if (pwrite(fd, pidstr, strlen(pidstr), 0) != (ssize_t)strlen(pidstr)) {
error = errno;
_pidfile_remove(pfh, 0);
errno = error;