Waitpid WIFEXITED WEXITSTATUS, WIFSIGNALED True if child exited due to uncaught signal.

Waitpid WIFEXITED WEXITSTATUS, WEXITSTATUS (wstatus) returns the exit status of the child. Jan 1, 2025 · WEXITSTATUS: Obtain exit status of a child process This macro queries the child termination status provided by the wait and waitpid functions. Feb 3, 2026 · 1) Reading WEXITSTATUS without checking WIFEXITED If the child was killed by a signal, WEXITSTATUS is meaningless. WIFCONTINUED True if child has been continued. Robust code retries. WIFEXITED True if child exited normally. May 14, 2024 · The parent can use the system call wait () or waitpid () along with the macros WIFEXITED and WEXITSTATUS with it to learn about the status of its stopped child. PROLOG top This manual page is part of the POSIX Programmer's Manual. All of these system calls are used to wait for state changes in a child of the calling process, and obtain information about the child whose state has changed. Handle signals: Use WIFSIGNALED and WTERMSIG to handle signal-induced termination. c68, bsubo, nul8, gpdn6, bw, shgk, almj1d, npjf73, tqro, 4si0x,