static void plProcExecChild(struct plProc* proc, int stdinFd, int stdoutFd, int stderrFd)
/* child part of process startup. */
{
plProcSetup(proc, stdinFd, stdoutFd, stderrFd);
execvp(proc->cmd[0], proc->cmd);
errnoAbort("exec failed: %s", proc->cmd[0]);
}
static void plProcExecChild(struct plProc* proc, int stdinFd, int stdoutFd, int stderrFd)
/* child part of process startup. */
{
plProcSetup(proc, stdinFd, stdoutFd, stderrFd);
/* FIXME: add close-on-exec startup error reporting here */
execvp(proc->cmd[0], proc->cmd);
errnoAbort("exec failed: %s", proc->cmd[0]);
}
static void plProcMemWrite(struct plProc* proc, int stdoutFd, int stderrFd, void *otherEndBuf, size_t otherEndBufSize)
/* implements child process to write memory buffer to pipeline after
* fork */
{
plProcSetup(proc, STDIN_FILENO, stdoutFd, stderrFd);
ssize_t wrCnt = write(STDOUT_FILENO, otherEndBuf, otherEndBufSize);
if (wrCnt < 0)
errnoAbort("pipeline input buffer write failed");
else if (wrCnt != otherEndBufSize)
errAbort("pipeline input buffer short write %lld, expected %lld",
(long long)wrCnt, (long long)otherEndBufSize);
else
{
close(STDOUT_FILENO);
exit(0);
}
}
