2 * Copyright (c) 2004-2009, Jilles Tjoelker
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6 * or without modification, are permitted provided that the
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34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/types.h>
38 #include <sys/event.h>
56 fprintf(stderr, "usage: pwait [-v] pid ...\n");
61 * pwait - wait for processes to terminate
64 main(int argc, char *argv[])
69 int opt, nleft, n, i, duplicate, status;
73 while ((opt = getopt(argc, argv, "v")) != -1) {
94 e = malloc(argc * sizeof(struct kevent));
98 for (n = 0; n < argc; n++) {
100 if (!strncmp(s, "/proc/", 6)) /* Undocumented Solaris compat */
103 pid = strtol(s, &end, 10);
104 if (pid < 0 || *end != '\0' || errno != 0) {
105 warnx("%s: bad process id", s);
109 for (i = 0; i < nleft; i++)
110 if (e[i].ident == (uintptr_t)pid)
113 EV_SET(e + nleft, pid, EVFILT_PROC, EV_ADD, NOTE_EXIT,
115 if (kevent(kq, e + nleft, 1, NULL, 0, NULL) == -1)
123 n = kevent(kq, NULL, 0, e, nleft, NULL);
127 for (i = 0; i < n; i++) {
129 if (WIFEXITED(status))
130 printf("%ld: exited with status %d.\n",
132 WEXITSTATUS(status));
133 else if (WIFSIGNALED(status))
134 printf("%ld: killed by signal %d.\n",
138 printf("%ld: terminated.\n",