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/*
* Copyright (C) Igor Sysoev
*/
#include <ngx_config.h>
#include <ngx_core.h>
u_char ngx_linux_kern_ostype[50];
u_char ngx_linux_kern_osrelease[50];
int ngx_linux_rtsig_max;
static ngx_os_io_t ngx_linux_io = {
ngx_unix_recv,
ngx_readv_chain,
ngx_udp_unix_recv,
ngx_unix_send,
#if (NGX_HAVE_SENDFILE)
ngx_linux_sendfile_chain,
NGX_IO_SENDFILE
#else
ngx_writev_chain,
0
#endif
};
ngx_int_t
ngx_os_specific_init(ngx_log_t *log)
{
struct utsname u;
if (uname(&u) == -1) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "uname() failed");
return NGX_ERROR;
}
(void) ngx_cpystrn(ngx_linux_kern_ostype, (u_char *) u.sysname,
sizeof(ngx_linux_kern_ostype));
(void) ngx_cpystrn(ngx_linux_kern_osrelease, (u_char *) u.release,
sizeof(ngx_linux_kern_osrelease));
#if (NGX_HAVE_RTSIG)
{
int name[2];
size_t len;
ngx_err_t err;
name[0] = CTL_KERN;
name[1] = KERN_RTSIGMAX;
len = sizeof(ngx_linux_rtsig_max);
if (sysctl(name, 2, &ngx_linux_rtsig_max, &len, NULL, 0) == -1) {
err = ngx_errno;
if (err != NGX_ENOTDIR && err != NGX_ENOSYS) {
ngx_log_error(NGX_LOG_ALERT, log, err,
"sysctl(KERN_RTSIGMAX) failed");
return NGX_ERROR;
}
ngx_linux_rtsig_max = 0;
}
}
#endif
ngx_os_io = ngx_linux_io;
return NGX_OK;
}
void
ngx_os_specific_status(ngx_log_t *log)
{
ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
ngx_linux_kern_ostype, ngx_linux_kern_osrelease);
#if (NGX_HAVE_RTSIG)
ngx_log_error(NGX_LOG_NOTICE, log, 0, "sysctl(KERN_RTSIGMAX): %d",
ngx_linux_rtsig_max);
#endif
}
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