Changeset 3433 for trunk/src/kash/jobs.c

Timestamp:

Sep 2, 2020, 7:25:31 PM (5 years ago)

Author:

bird

Message:

kash: refactoring forkshell(); simple stuff.

File:

• trunk/src/kash/jobs.c (modified) (1 diff)

trunk/src/kash/jobs.c

@@ -800 +800 @@
 }
 
+int forkshell2(struct shinstance *psh, struct job *jp, union node *n, int mode,
+               int (*child)(struct shinstance *, void *, union node *),
+               union node *nchild, void *argp, size_t arglen)
+{
+        pid_t pid;
+
+        TRACE((psh, "forkshell2(%%%d, %p, %d, %p, %p, %p, %d) called\n", jp - psh->jobtab, n, mode, child, nchild, argp, (int)arglen));
+        pid = sh_fork(psh);
+        if (pid == 0)
+        {
+                /* child */
+                (void)arglen;
+                forkchild(psh, jp, n, mode, 0);
+                sh_exit(psh, child(psh, nchild, argp));
+                return 0;
+        }
+
+        /* parent */
+        if (pid != -1)
+                return forkparent(psh, jp, n, mode, pid);
+        TRACE((psh, "Fork failed, errno=%d\n", errno));
+        INTON;
+        error(psh, "Cannot fork");
+        return -1; /* won't get here */
+}
+
 int
 forkparent(shinstance *psh, struct job *jp, union node *n, int mode, pid_t pid)