diff options
author | John Denker <jsd@av8n.com> | 2012-06-01 18:58:45 -0700 |
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committer | John Denker <jsd@av8n.com> | 2012-06-01 18:58:45 -0700 |
commit | b732a73bc773789894466b0e5320b2f1fe42c7e9 (patch) | |
tree | 385358983f064a1f10a5080b33a3ba13010886db /except.c | |
parent | 634d365a03cb0581a062cd3cf4db9ae69f1cde26 (diff) |
original, as downloaded from http://www.qmail.org/netqmail-1.06.tar.gz
Diffstat (limited to 'except.c')
-rw-r--r-- | except.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/except.c b/except.c new file mode 100644 index 0000000..c553b3b --- /dev/null +++ b/except.c @@ -0,0 +1,37 @@ +#include "fork.h" +#include "strerr.h" +#include "wait.h" +#include "error.h" +#include "exit.h" + +#define FATAL "except: fatal: " + +void main(argc,argv) +int argc; +char **argv; +{ + int pid; + int wstat; + + if (!argv[1]) + strerr_die1x(100,"except: usage: except program [ arg ... ]"); + + pid = fork(); + if (pid == -1) + strerr_die2sys(111,FATAL,"unable to fork: "); + if (pid == 0) { + execvp(argv[1],argv + 1); + if (error_temp(errno)) _exit(111); + _exit(100); + } + + if (wait_pid(&wstat,pid) == -1) + strerr_die2x(111,FATAL,"wait failed"); + if (wait_crashed(wstat)) + strerr_die2x(111,FATAL,"child crashed"); + switch(wait_exitcode(wstat)) { + case 0: _exit(100); + case 111: strerr_die2x(111,FATAL,"temporary child error"); + default: _exit(0); + } +} |