diff options
Diffstat (limited to 'src/vlib')
| -rw-r--r-- | src/vlib/cli.c | 2 | ||||
| -rw-r--r-- | src/vlib/main.h | 7 | ||||
| -rw-r--r-- | src/vlib/unix/main.c | 32 |
3 files changed, 33 insertions, 8 deletions
diff --git a/src/vlib/cli.c b/src/vlib/cli.c index 2187d2886fc..b7c4c0030b0 100644 --- a/src/vlib/cli.c +++ b/src/vlib/cli.c @@ -1097,7 +1097,7 @@ restart_cmd_fn (vlib_main_t * vm, unformat_input_t * input, /* *INDENT-ON* */ /* Exec ourself */ - execve (vgm->name, (char **) vm->argv, environ); + execve (vgm->name, (char **) vgm->argv, environ); return 0; } diff --git a/src/vlib/main.h b/src/vlib/main.h index 18ec3be05e1..2581d491019 100644 --- a/src/vlib/main.h +++ b/src/vlib/main.h @@ -220,7 +220,6 @@ typedef struct vlib_main_t volatile u32 queue_signal_pending; volatile u32 api_queue_nonempty; void (*queue_signal_callback) (struct vlib_main_t *); - u8 **argv; /* Top of (worker) dispatch loop callback */ void (**volatile worker_thread_main_loop_callbacks) @@ -283,6 +282,12 @@ typedef struct vlib_global_main_t /* Name for e.g. syslog. */ char *name; + /* full path to main executable */ + char *exec_path; + + /* command line arguments */ + u8 **argv; + /* post-mortem callbacks */ void (**post_mortem_callbacks) (void); diff --git a/src/vlib/unix/main.c b/src/vlib/unix/main.c index ba1c9d1bd63..0ebda240899 100644 --- a/src/vlib/unix/main.c +++ b/src/vlib/unix/main.c @@ -647,12 +647,13 @@ static uword thread0 (uword arg) { vlib_main_t *vm = (vlib_main_t *) arg; + vlib_global_main_t *vgm = vlib_get_global_main (); unformat_input_t input; int i; vlib_process_finish_switch_stack (vm); - unformat_init_command_line (&input, (char **) vm->argv); + unformat_init_command_line (&input, (char **) vgm->argv); i = vlib_main (vm, &input); unformat_free (&input); @@ -675,6 +676,10 @@ vlib_thread_stack_init (uword thread_index) return stack; } +#ifndef PATH_MAX +#define PATH_MAX 4096 +#endif + int vlib_unix_main (int argc, char *argv[]) { @@ -682,12 +687,27 @@ vlib_unix_main (int argc, char *argv[]) vlib_main_t *vm = vlib_get_first_main (); /* one and only time for this! */ unformat_input_t input; clib_error_t *e; + char buffer[PATH_MAX]; int i; vec_validate_aligned (vgm->vlib_mains, 0, CLIB_CACHE_LINE_BYTES); - vm->argv = (u8 **) argv; - vgm->name = argv[0]; + if ((i = readlink ("/proc/self/exe", buffer, sizeof (buffer) - 1)) > 0) + { + int j; + buffer[i] = 0; + vgm->exec_path = vec_new (char, i + 1); + clib_memcpy_fast (vgm->exec_path, buffer, i + 1); + for (j = i - 1; j > 0; j--) + if (buffer[j - 1] == '/') + break; + vgm->name = vec_new (char, i - j + 1); + clib_memcpy_fast (vgm->name, buffer + j, i - j + 1); + } + else + vgm->exec_path = vgm->name = argv[0]; + + vgm->argv = (u8 **) argv; vm->heap_base = clib_mem_get_heap (); vm->heap_aligned_base = (void *) (((uword) vm->heap_base) & ~(CLIB_CACHE_LINE_BYTES - 1)); @@ -700,7 +720,7 @@ vlib_unix_main (int argc, char *argv[]) elog_init (vlib_get_elog_main (), vgm->configured_elog_ring_size); elog_enable_disable (vlib_get_elog_main (), 1); - unformat_init_command_line (&input, (char **) vm->argv); + unformat_init_command_line (&input, (char **) vgm->argv); if ((e = vlib_plugin_config (vm, &input))) { clib_error_report (e); @@ -712,7 +732,7 @@ vlib_unix_main (int argc, char *argv[]) if (i) return i; - unformat_init_command_line (&input, (char **) vm->argv); + unformat_init_command_line (&input, (char **) vgm->argv); if (vgm->init_functions_called == 0) vgm->init_functions_called = hash_create (0, /* value bytes */ 0); e = vlib_call_all_config_functions (vm, &input, 1 /* early */ ); @@ -724,7 +744,7 @@ vlib_unix_main (int argc, char *argv[]) unformat_free (&input); /* always load symbols, for signal handler and mheap memory get/put backtrace */ - clib_elf_main_init (vgm->name); + clib_elf_main_init (vgm->exec_path); vec_validate (vlib_thread_stacks, 0); vlib_thread_stack_init (0); |