Mercurial > hg > nginx
diff src/core/ngx_cycle.c @ 310:a9a9af2c7370
nginx-0.0.3-2004-04-12-10:10:53 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 12 Apr 2004 06:10:53 +0000 |
parents | 87e73f067470 |
children | 11ff50a35d6d |
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line diff
--- a/src/core/ngx_cycle.c Fri Apr 09 16:03:04 2004 +0000 +++ b/src/core/ngx_cycle.c Mon Apr 12 06:10:53 2004 +0000 @@ -30,6 +30,7 @@ ngx_cycle_t *cycle, **old; ngx_socket_t fd; ngx_open_file_t *file; + ngx_core_conf_t *ccf; ngx_listening_t *ls, *nls; log = old_cycle->log; @@ -126,6 +127,8 @@ failed = 0; + + file = cycle->open_files.elts; for (i = 0; i < cycle->open_files.nelts; i++) { if (file[i].name.data == NULL) { @@ -371,6 +374,91 @@ } +static ngx_int_t ngx_create_pidfile(ngx_cycle_t *cycle, ngx_cycle_t *old_cycle) +{ + size_t len; + u_char pid[NGX_INT64_LEN + 1]; + ngx_str_t name; + ngx_core_conf_t *ccf; + + ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); + + if (ctx->pid.len) { + if (ccf->pid.len == 0) { + return NGX_OK; + } + + if (ctx->pid.len == ccf->pid.len + && ngx_strcmp(ctx->pid.data, ccf->pid.data) == 0) + { + return NGX_OK; + } + } + + if (ccf->pid.len == 0) { + ccf->pid.len = sizeof(NGINX_PID) - 1; + ccf->pid.data = NGINX_PID; + ccf->newpid.len = sizeof(NGINX_NEWPID) - 1; + ccf->newpid.data = NGINX_NEWPID; + + } else { + ccf->newpid.len = ccf->pid.len + sizeof(NGINX_NEWPID_EXT); + if (!(ccf->newpid.data = ngx_alloc(ccf->newpid.len, cycle->log))) { + return NGX_ERROR; + } + + ngx_memcpy(ngx_cpymem(ccf->newpid.data, ccf->pid.data, ccf->pid.len), + NGINX_NEWPID_EXT, sizeof(NGINX_NEWPID_EXT)); + } + + len = ngx_snprintf((char *) pid, NGX_INT64_LEN + 1, PID_T_FMT, ngx_pid); + ngx_memzero(&ctx->pid, sizeof(ngx_file_t)); + ctx->pid.name = ngx_inherited ? ccf->newpid : ccf->pid; + ctx->name = ccf->pid.data; + + ctx->pid.fd = ngx_open_file(ctx->pid.name.data, NGX_FILE_RDWR, + NGX_FILE_CREATE_OR_OPEN); + + if (ctx->pid.fd == NGX_INVALID_FILE) { + ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, + ngx_open_file_n " \"%s\" failed", ctx->pid.name.data); + return NGX_ERROR; + } + + if (ngx_write_file(&ctx->pid, pid, len, 0) == NGX_ERROR) { + return NGX_ERROR; + } + + if (ngx_close_file(ctx->pid.fd) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, + ngx_close_file_n " \"%s\" failed", ctx->pid.name.data); + } + + return NGX_OK; +} + + +static void ngx_delete_pidfile(ngx_cycle_t *cycle) +{ + u_char *name; + ngx_core_conf_t *ccf; + + ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); + + if (ngx_inherited && getppid() > 1) { + name = ccf->newpid.data; + + } else { + name = ccf->pid.data; + } + + if (ngx_delete_file(name) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, + ngx_delete_file_n " \"%s\" failed", name); + } +} + + void ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user) { ngx_fd_t fd;