win32: ash: spawn_forkshell()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 8802c1315..f320f26c3 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -112,6 +112,7 @@ struct forkshell {
         struct strlist *strlist;
         pid_t pid;
 };
+static int spawn_forkshell(struct job *jp, struct forkshell *fs, int mode);
 #endif
 
 /* ============ Hash table sizes. Configurable. */
@@ -13320,6 +13321,29 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
         /* NOTREACHED */
 }
 
+/* FIXME: should consider running forkparent() and forkchild() */
+static int
+spawn_forkshell(struct job *jp, struct forkshell *fs, int mode)
+{
+        const char *argv[] = { "sh", "--forkshell", NULL, NULL };
+        char buf[16];
+
+        struct forkshell *new;
+        new = forkshell_prepare(fs);
+        sprintf(buf, "%x", (unsigned int)new->hMapFile);
+        argv[2] = buf;
+        fs->pid = mingw_spawn_applet(P_NOWAIT, "sh", argv,
+                                     (const char *const *)environ);
+        CloseHandle(new->hMapFile);
+        UnmapViewOfFile(new);
+        if (fs->pid == -1) {
+                free(jp);
+                return -1;
+        }
+        forkparent(jp, fs->node, mode, fs->pid);
+        return fs->pid;
+}
+
 /*
  * forkshell_prepare() and friends
  *