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authormidipix <writeonce@midipix.org>2018-05-23 03:40:20 +0000
committermidipix <writeonce@midipix.org>2018-05-22 23:49:18 -0400
commit5ec9b67e061e7bf839d6ae986354190d2e1e0037 (patch)
tree3f79cfd3ed355d2f5198e323d74d5ac270651dc6 /src/cmds
parent105c6c4b81ce64192e304827942a9aa65c8dd059 (diff)
downloadntux-5ec9b67e061e7bf839d6ae986354190d2e1e0037.tar.bz2
ntux-5ec9b67e061e7bf839d6ae986354190d2e1e0037.tar.xz
ntux_cmd_spawn(): initial implementation and integration.
Diffstat (limited to 'src/cmds')
-rw-r--r--src/cmds/ntux_cmd_spawn.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/cmds/ntux_cmd_spawn.c b/src/cmds/ntux_cmd_spawn.c
new file mode 100644
index 0000000..cb88696
--- /dev/null
+++ b/src/cmds/ntux_cmd_spawn.c
@@ -0,0 +1,54 @@
+/***********************************************************/
+/* ntux: native translation und extension */
+/* Copyright (C) 2016--2018 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.NTUX. */
+/***********************************************************/
+
+#include <ntapi/ntapi.h>
+#include <psxabi/sys_sysapi.h>
+#include <psxabi/sys_errno.h>
+
+#include <ntux/ntux.h>
+#include "ntux_driver_impl.h"
+#include "ntux_nolibc_impl.h"
+#include "ntux_errinfo_impl.h"
+
+int ntux_cmd_spawn(const struct ntux_driver_ctx * dctx)
+{
+ int32_t status;
+ pid_t pid;
+ const char ** argv;
+ const char ** envp;
+ unsigned char * program;
+
+ /* init */
+ ntux_driver_set_ectx(
+ dctx,0,
+ dctx->cctx->sargv[0]);
+
+ argv = (const char **)dctx->cctx->sargv;
+ envp = (const char **)dctx->cctx->senvp;
+ program = (unsigned char *)dctx->cctx->sargv[0];
+
+ /* spawn */
+ pid = __sys_vfork();
+
+ /* failed? */
+ if (pid < 0)
+ if (ntux_errno_set(dctx,pid))
+ return NTUX_SYSTEM_ERROR(dctx);
+
+ /* child */
+ if (pid == 0)
+ if ((status = __sys_execve(program,argv,envp)))
+ if (ntux_errno_set(dctx,status))
+ if (NTUX_SYSTEM_ERROR(dctx))
+ __sys_exit(0);
+
+ /* parent */
+ __sys_wait4(
+ pid,&status,
+ 0,0);
+
+ return 0;
+}