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Diffstat (limited to '')
| -rw-r--r-- | src/process.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/process.c b/src/process.c index 3fc866f..1e2583b 100644 --- a/src/process.c +++ b/src/process.c @@ -40,12 +40,20 @@ static int wait_for_child(pid_t pid, int *ec) return ret; } - if (WIFEXITED(status)) + /* The child process reports the lowest 8 bits of its exit code, which + * are treated as an unsigned integer on Linux. + * + * If it was killed by a signal, indicate that by negating the signal + * number. */ + + if (WIFEXITED(status)) { *ec = WEXITSTATUS(status); - else if (WIFSIGNALED(status)) - *ec = status; /* Same as $?. */ - else - *ec = -1; + } else if (WIFSIGNALED(status)) { + *ec = -WTERMSIG(status); + } else { + log_err("This shouldn't happen: %d\n", status); + *ec = 1; + } return 0; } |