Merge pull request #1868 from kadler/fix-aix-signal-checking
Handle process signalling correctly on AIX
diff --git a/src/subprocess-posix.cc b/src/subprocess-posix.cc
index 0c5f556..8e78540 100644
--- a/src/subprocess-posix.cc
+++ b/src/subprocess-posix.cc
@@ -154,6 +154,16 @@
Fatal("waitpid(%d): %s", pid_, strerror(errno));
pid_ = -1;
+#ifdef _AIX
+ if (WIFEXITED(status) && WEXITSTATUS(status) & 0x80) {
+ // Map the shell's exit code used for signal failure (128 + signal) to the
+ // status code expected by AIX WIFSIGNALED and WTERMSIG macros which, unlike
+ // other systems, uses a different bit layout.
+ int signal = WEXITSTATUS(status) & 0x7f;
+ status = (signal << 16) | signal;
+ }
+#endif
+
if (WIFEXITED(status)) {
int exit = WEXITSTATUS(status);
if (exit == 0)
