diff options
Diffstat (limited to 'dmake/unix/runargv.c')
| -rw-r--r-- | dmake/unix/runargv.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/dmake/unix/runargv.c b/dmake/unix/runargv.c index 42b9c25e66a9..2ea22cb63da0 100644 --- a/dmake/unix/runargv.c +++ b/dmake/unix/runargv.c @@ -269,9 +269,10 @@ dmwaitnext( wid, status ) /* If ECHILD is set from waitpid/wait then no child was left. */ if( *wid == -1 ) { - fprintf(stderr, "%s: Internal Error: wait() failed: %d - %s\n", - Pname, errno, strerror(errno) ); - if(errno != ECHILD) { + int realErr = errno; // fprintf can pollute errno + fprintf(stderr, "%s: Internal Error: wait() failed: %d - %s\n", + Pname, errno, strerror(errno) ); + if( realErr != ECHILD ) { /* Wait was interrupted or a child was terminated (SIGCHLD) */ return -2; } else { @@ -369,9 +370,10 @@ dmwaitpid( pqid, wid, status ) } /* If ECHILD is set from waitpid/wait then no child was left. */ if( *wid == -1 ) { + int realErr = errno; // fprintf can pollute errno fprintf(stderr, "%s: Internal Error: waitpid() failed: %d - %s\n", Pname, errno, strerror(errno) ); - if(errno != ECHILD) { + if(realErr != ECHILD) { /* Wait was interrupted or a child was terminated (SIGCHLD) */ return -2; } else { |