use pwrite to always write at the begining of the file.. If multiple calls
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
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=157671
@ -175,7 +175,7 @@ pidfile_write(struct pidfh *pfh)
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}
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snprintf(pidstr, sizeof(pidstr), "%u", getpid());
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if (write(fd, pidstr, strlen(pidstr)) != (ssize_t)strlen(pidstr)) {
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if (pwrite(fd, pidstr, strlen(pidstr), 0) != (ssize_t)strlen(pidstr)) {
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error = errno;
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_pidfile_remove(pfh, 0);
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errno = error;
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