diff options
Diffstat (limited to 'app/nginx/src/os/unix/ngx_setproctitle.c')
-rw-r--r-- | app/nginx/src/os/unix/ngx_setproctitle.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/app/nginx/src/os/unix/ngx_setproctitle.c b/app/nginx/src/os/unix/ngx_setproctitle.c deleted file mode 100644 index 91afa51..0000000 --- a/app/nginx/src/os/unix/ngx_setproctitle.c +++ /dev/null @@ -1,135 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#if (NGX_SETPROCTITLE_USES_ENV) - -/* - * To change the process title in Linux and Solaris we have to set argv[1] - * to NULL and to copy the title to the same place where the argv[0] points to. - * However, argv[0] may be too small to hold a new title. Fortunately, Linux - * and Solaris store argv[] and environ[] one after another. So we should - * ensure that is the continuous memory and then we allocate the new memory - * for environ[] and copy it. After this we could use the memory starting - * from argv[0] for our process title. - * - * The Solaris's standard /bin/ps does not show the changed process title. - * You have to use "/usr/ucb/ps -w" instead. Besides, the UCB ps does not - * show a new title if its length less than the origin command line length. - * To avoid it we append to a new title the origin command line in the - * parenthesis. - */ - -extern char **environ; - -static char *ngx_os_argv_last; - -ngx_int_t -ngx_init_setproctitle(ngx_log_t *log) -{ - u_char *p; - size_t size; - ngx_uint_t i; - - size = 0; - - for (i = 0; environ[i]; i++) { - size += ngx_strlen(environ[i]) + 1; - } - - p = ngx_alloc(size, log); - if (p == NULL) { - return NGX_ERROR; - } - - ngx_os_argv_last = ngx_os_argv[0]; - - for (i = 0; ngx_os_argv[i]; i++) { - if (ngx_os_argv_last == ngx_os_argv[i]) { - ngx_os_argv_last = ngx_os_argv[i] + ngx_strlen(ngx_os_argv[i]) + 1; - } - } - - for (i = 0; environ[i]; i++) { - if (ngx_os_argv_last == environ[i]) { - - size = ngx_strlen(environ[i]) + 1; - ngx_os_argv_last = environ[i] + size; - - ngx_cpystrn(p, (u_char *) environ[i], size); - environ[i] = (char *) p; - p += size; - } - } - - ngx_os_argv_last--; - - return NGX_OK; -} - - -void -ngx_setproctitle(char *title) -{ - u_char *p; - -#if (NGX_SOLARIS) - - ngx_int_t i; - size_t size; - -#endif - - ngx_os_argv[1] = NULL; - - p = ngx_cpystrn((u_char *) ngx_os_argv[0], (u_char *) "nginx: ", - ngx_os_argv_last - ngx_os_argv[0]); - - p = ngx_cpystrn(p, (u_char *) title, ngx_os_argv_last - (char *) p); - -#if (NGX_SOLARIS) - - size = 0; - - for (i = 0; i < ngx_argc; i++) { - size += ngx_strlen(ngx_argv[i]) + 1; - } - - if (size > (size_t) ((char *) p - ngx_os_argv[0])) { - - /* - * ngx_setproctitle() is too rare operation so we use - * the non-optimized copies - */ - - p = ngx_cpystrn(p, (u_char *) " (", ngx_os_argv_last - (char *) p); - - for (i = 0; i < ngx_argc; i++) { - p = ngx_cpystrn(p, (u_char *) ngx_argv[i], - ngx_os_argv_last - (char *) p); - p = ngx_cpystrn(p, (u_char *) " ", ngx_os_argv_last - (char *) p); - } - - if (*(p - 1) == ' ') { - *(p - 1) = ')'; - } - } - -#endif - - if (ngx_os_argv_last - (char *) p) { - ngx_memset(p, NGX_SETPROCTITLE_PAD, ngx_os_argv_last - (char *) p); - } - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ngx_cycle->log, 0, - "setproctitle: \"%s\"", ngx_os_argv[0]); -} - -#endif /* NGX_SETPROCTITLE_USES_ENV */ |