mirror of
https://github.com/nginx/nginx.git
synced 2025-01-18 17:23:30 +08:00
f69060481e
*) Bugfix: the proxied request was sent without arguments if the
request contains "//", "/./", "/../" or "%XX".
*) Bugfix: the large compressed responses may be transferred not
completely.
*) Bugfix: the files bigger than 2G was not transferred on Linux that
does not support sendfile64().
*) Bugfix: while the build configuration on Linux the
--with-poll_module parameter was required; the bug had appeared in
0.1.8.
96 lines
1.9 KiB
C
96 lines
1.9 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#if (NGX_HAVE_MAP_ANON)
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void *ngx_create_shared_memory(size_t size, ngx_log_t *log)
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{
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void *p;
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p = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_ANON|MAP_SHARED, -1, 0);
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if (p == MAP_FAILED) {
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ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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"mmap(MAP_ANON|MAP_SHARED, %uz) failed", size);
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return NULL;
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}
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return p;
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}
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#elif (NGX_HAVE_MAP_DEVZERO)
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void *ngx_create_shared_memory(size_t size, ngx_log_t *log)
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{
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void *p;
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ngx_fd_t fd;
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fd = open("/dev/zero", O_RDWR);
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if (fd == -1) {
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ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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"open(\"/dev/zero\") failed");
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return NULL;
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}
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p = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
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if (p == MAP_FAILED) {
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ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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"mmap(/dev/zero, MAP_SHARED, %uz) failed", size);
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p = NULL;
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}
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if (close(fd) == -1) {
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ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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"close(\"/dev/zero\") failed");
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}
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return p;
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}
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#elif (NGX_HAVE_SYSVSHM)
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#include <sys/ipc.h>
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#include <sys/shm.h>
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void *ngx_create_shared_memory(size_t size, ngx_log_t *log)
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{
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int id;
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void *p;
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id = shmget(IPC_PRIVATE, size, (SHM_R|SHM_W|IPC_CREAT));
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if (id == -1) {
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ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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"shmget(%uz) failed", size);
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return NULL;
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}
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ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "shmget id: %d", id);
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p = shmat(id, NULL, 0);
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if (p == (void *) -1) {
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ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "shmat() failed");
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p = NULL;
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}
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if (shmctl(id, IPC_RMID, NULL) == -1) {
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ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "shmctl(IPC_RMID) failed");
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p = NULL;
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}
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return p;
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}
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#endif
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