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use uname(2) instead of /proc/, this allows to run nginx in chroot

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This commit is contained in:
Igor Sysoev 2007-10-26 16:38:53 +00:00
parent e430ab4d55
commit 4724f2b17c
2 changed files with 13 additions and 54 deletions
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1
src/os/unix/ngx_linux_config.h
View File

@ -50,6 +50,7 @@
#include <sys/ioctl.h>
#include <sys/sysctl.h>
#include <crypt.h>
#include <sys/utsname.h> /* uname() */
#include <ngx_auto_config.h>

60
src/os/unix/ngx_linux_init.c
View File

@ -8,12 +8,8 @@
#include <ngx_core.h>
static ngx_int_t ngx_linux_procfs(char *name, char *buf, size_t len,
ngx_log_t *log);
char ngx_linux_kern_ostype[50];
char ngx_linux_kern_osrelease[50];
u_char ngx_linux_kern_ostype[50];
u_char ngx_linux_kern_osrelease[50];
int ngx_linux_rtsig_max;
@ -38,23 +34,18 @@ ngx_os_specific_init(ngx_log_t *log)
int name[2];
size_t len;
ngx_err_t err;
struct utsname u;
if (ngx_linux_procfs("/proc/sys/kernel/ostype",
ngx_linux_kern_ostype,
sizeof(ngx_linux_kern_ostype), log)
== -1)
{
if (uname(&u) == -1) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "uname() failed");
return NGX_ERROR;
}
if (ngx_linux_procfs("/proc/sys/kernel/osrelease",
ngx_linux_kern_osrelease,
sizeof(ngx_linux_kern_osrelease), log)
== -1)
{
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));
name[0] = CTL_KERN;
name[1] = KERN_RTSIGMAX;
@ -89,36 +80,3 @@ ngx_os_specific_status(ngx_log_t *log)
ngx_log_error(NGX_LOG_NOTICE, log, 0, "sysctl(KERN_RTSIGMAX): %d",
ngx_linux_rtsig_max);
}
static ngx_int_t
ngx_linux_procfs(char *name, char *buf, size_t len, ngx_log_t *log)
{
int n;
ngx_fd_t fd;
fd = open(name, O_RDONLY);
if (fd == NGX_INVALID_FILE) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
"open(\"%s\") failed", name);
return NGX_ERROR;
}
n = read(fd, buf, len);
if (n == -1) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
"read(\"%s\") failed", name);
} else {
if (buf[n - 1] == '\n') {
buf[--n] = '\0';
}
}
ngx_close_file(fd);
return n;
}