diff options
author | Konstantin Ananyev <konstantin.ananyev@intel.com> | 2017-10-31 12:40:17 +0000 |
---|---|---|
committer | Konstantin Ananyev <konstantin.ananyev@intel.com> | 2017-10-31 14:19:39 +0000 |
commit | e18a033b921d0d79fa8278f853548e6125b93e0c (patch) | |
tree | a6a55edf6ddceef824561818c9836914c326340d /app/nginx/src/os/unix/ngx_errno.c | |
parent | 7e18fa1bf263822c46d7431a911b41d6377d5f69 (diff) |
Integrate TLDK with NGINX
Created a clone of nginx (from https://github.com/nginx/nginx)
to demonstrate and benchmark TLDK library integrated with real
world application.
A new nginx module is created and and BSD socket-like API is implemented
on top of native TLDK API.
Note, that right now only minimalistic subset of socket-like API is provided:
- accept
- close
- readv
- recv
- writev
so only limited nginx functionality is available for a moment.
Change-Id: Ie1efe9349a0538da4348a48fb8306cbf636b5a92
Signed-off-by: Mohammad Abdul Awal <mohammad.abdul.awal@intel.com>
Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
Signed-off-by: Remy Horton <remy.horton@intel.com>
Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Diffstat (limited to 'app/nginx/src/os/unix/ngx_errno.c')
-rw-r--r-- | app/nginx/src/os/unix/ngx_errno.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/app/nginx/src/os/unix/ngx_errno.c b/app/nginx/src/os/unix/ngx_errno.c new file mode 100644 index 0000000..e787b23 --- /dev/null +++ b/app/nginx/src/os/unix/ngx_errno.c @@ -0,0 +1,87 @@ + +/* + * Copyright (C) Igor Sysoev + * Copyright (C) Nginx, Inc. + */ + + +#include <ngx_config.h> +#include <ngx_core.h> + + +/* + * The strerror() messages are copied because: + * + * 1) strerror() and strerror_r() functions are not Async-Signal-Safe, + * therefore, they cannot be used in signal handlers; + * + * 2) a direct sys_errlist[] array may be used instead of these functions, + * but Linux linker warns about its usage: + * + * warning: `sys_errlist' is deprecated; use `strerror' or `strerror_r' instead + * warning: `sys_nerr' is deprecated; use `strerror' or `strerror_r' instead + * + * causing false bug reports. + */ + + +static ngx_str_t *ngx_sys_errlist; +static ngx_str_t ngx_unknown_error = ngx_string("Unknown error"); + + +u_char * +ngx_strerror(ngx_err_t err, u_char *errstr, size_t size) +{ + ngx_str_t *msg; + + msg = ((ngx_uint_t) err < NGX_SYS_NERR) ? &ngx_sys_errlist[err]: + &ngx_unknown_error; + size = ngx_min(size, msg->len); + + return ngx_cpymem(errstr, msg->data, size); +} + + +ngx_int_t +ngx_strerror_init(void) +{ + char *msg; + u_char *p; + size_t len; + ngx_err_t err; + + /* + * ngx_strerror() is not ready to work at this stage, therefore, + * malloc() is used and possible errors are logged using strerror(). + */ + + len = NGX_SYS_NERR * sizeof(ngx_str_t); + + ngx_sys_errlist = malloc(len); + if (ngx_sys_errlist == NULL) { + goto failed; + } + + for (err = 0; err < NGX_SYS_NERR; err++) { + msg = strerror(err); + len = ngx_strlen(msg); + + p = malloc(len); + if (p == NULL) { + goto failed; + } + + ngx_memcpy(p, msg, len); + ngx_sys_errlist[err].len = len; + ngx_sys_errlist[err].data = p; + } + + return NGX_OK; + +failed: + + err = errno; + ngx_log_stderr(0, "malloc(%uz) failed (%d: %s)", len, err, strerror(err)); + + return NGX_ERROR; +} |