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authorYang Tse <yangsita@gmail.com>2013-01-03 06:13:18 +0100
committerYang Tse <yangsita@gmail.com>2013-01-03 06:13:18 +0100
commit5b6e7927c6891d93edc16695ae786dc686274bab (patch)
tree8b9da426b7152f617522cfa153e541ec26ff6961 /lib/select.c
parent13606bbfdeaa3bac193e1f39a05a9c9b5f15d1b5 (diff)
downloadcurl-5b6e7927c6891d93edc16695ae786dc686274bab.tar.gz
build: rename 93 lib/*.c files
93 lib/*.c source files renamed to use our standard naming scheme. This commit only does the file renaming. ---------------------------------------- renamed: lib/amigaos.c -> lib/curl_amigaos.c renamed: lib/asyn-ares.c -> lib/curl_asyn_ares.c renamed: lib/asyn-thread.c -> lib/curl_asyn_thread.c renamed: lib/axtls.c -> lib/curl_axtls.c renamed: lib/base64.c -> lib/curl_base64.c renamed: lib/bundles.c -> lib/curl_bundles.c renamed: lib/conncache.c -> lib/curl_conncache.c renamed: lib/connect.c -> lib/curl_connect.c renamed: lib/content_encoding.c -> lib/curl_content_encoding.c renamed: lib/cookie.c -> lib/curl_cookie.c renamed: lib/cyassl.c -> lib/curl_cyassl.c renamed: lib/dict.c -> lib/curl_dict.c renamed: lib/easy.c -> lib/curl_easy.c renamed: lib/escape.c -> lib/curl_escape.c renamed: lib/file.c -> lib/curl_file.c renamed: lib/fileinfo.c -> lib/curl_fileinfo.c renamed: lib/formdata.c -> lib/curl_formdata.c renamed: lib/ftp.c -> lib/curl_ftp.c renamed: lib/ftplistparser.c -> lib/curl_ftplistparser.c renamed: lib/getenv.c -> lib/curl_getenv.c renamed: lib/getinfo.c -> lib/curl_getinfo.c renamed: lib/gopher.c -> lib/curl_gopher.c renamed: lib/gtls.c -> lib/curl_gtls.c renamed: lib/hash.c -> lib/curl_hash.c renamed: lib/hmac.c -> lib/curl_hmac.c renamed: lib/hostasyn.c -> lib/curl_hostasyn.c renamed: lib/hostcheck.c -> lib/curl_hostcheck.c renamed: lib/hostip.c -> lib/curl_hostip.c renamed: lib/hostip4.c -> lib/curl_hostip4.c renamed: lib/hostip6.c -> lib/curl_hostip6.c renamed: lib/hostsyn.c -> lib/curl_hostsyn.c renamed: lib/http.c -> lib/curl_http.c renamed: lib/http_chunks.c -> lib/curl_http_chunks.c renamed: lib/http_digest.c -> lib/curl_http_digest.c renamed: lib/http_negotiate.c -> lib/curl_http_negotiate.c renamed: lib/http_negotiate_sspi.c -> lib/curl_http_negotiate_sspi.c renamed: lib/http_proxy.c -> lib/curl_http_proxy.c renamed: lib/idn_win32.c -> lib/curl_idn_win32.c renamed: lib/if2ip.c -> lib/curl_if2ip.c renamed: lib/imap.c -> lib/curl_imap.c renamed: lib/inet_ntop.c -> lib/curl_inet_ntop.c renamed: lib/inet_pton.c -> lib/curl_inet_pton.c renamed: lib/krb4.c -> lib/curl_krb4.c renamed: lib/krb5.c -> lib/curl_krb5.c renamed: lib/ldap.c -> lib/curl_ldap.c renamed: lib/llist.c -> lib/curl_llist.c renamed: lib/md4.c -> lib/curl_md4.c renamed: lib/md5.c -> lib/curl_md5.c renamed: lib/memdebug.c -> lib/curl_memdebug.c renamed: lib/mprintf.c -> lib/curl_mprintf.c renamed: lib/multi.c -> lib/curl_multi.c renamed: lib/netrc.c -> lib/curl_netrc.c renamed: lib/non-ascii.c -> lib/curl_non_ascii.c renamed: lib/curl_non-ascii.h -> lib/curl_non_ascii.h renamed: lib/nonblock.c -> lib/curl_nonblock.c renamed: lib/nss.c -> lib/curl_nss.c renamed: lib/nwlib.c -> lib/curl_nwlib.c renamed: lib/nwos.c -> lib/curl_nwos.c renamed: lib/openldap.c -> lib/curl_openldap.c renamed: lib/parsedate.c -> lib/curl_parsedate.c renamed: lib/pingpong.c -> lib/curl_pingpong.c renamed: lib/polarssl.c -> lib/curl_polarssl.c renamed: lib/pop3.c -> lib/curl_pop3.c renamed: lib/progress.c -> lib/curl_progress.c renamed: lib/qssl.c -> lib/curl_qssl.c renamed: lib/rawstr.c -> lib/curl_rawstr.c renamed: lib/rtsp.c -> lib/curl_rtsp.c renamed: lib/security.c -> lib/curl_security.c renamed: lib/select.c -> lib/curl_select.c renamed: lib/sendf.c -> lib/curl_sendf.c renamed: lib/share.c -> lib/curl_share.c renamed: lib/slist.c -> lib/curl_slist.c renamed: lib/smtp.c -> lib/curl_smtp.c renamed: lib/socks.c -> lib/curl_socks.c renamed: lib/socks_gssapi.c -> lib/curl_socks_gssapi.c renamed: lib/socks_sspi.c -> lib/curl_socks_sspi.c renamed: lib/speedcheck.c -> lib/curl_speedcheck.c renamed: lib/splay.c -> lib/curl_splay.c renamed: lib/ssh.c -> lib/curl_ssh.c renamed: lib/sslgen.c -> lib/curl_sslgen.c renamed: lib/ssluse.c -> lib/curl_ssluse.c renamed: lib/strdup.c -> lib/curl_strdup.c renamed: lib/strequal.c -> lib/curl_strequal.c renamed: lib/strerror.c -> lib/curl_strerror.c renamed: lib/strtok.c -> lib/curl_strtok.c renamed: lib/strtoofft.c -> lib/curl_strtoofft.c renamed: lib/telnet.c -> lib/curl_telnet.c renamed: lib/tftp.c -> lib/curl_tftp.c renamed: lib/timeval.c -> lib/curl_timeval.c renamed: lib/transfer.c -> lib/curl_transfer.c renamed: lib/url.c -> lib/curl_url.c renamed: lib/version.c -> lib/curl_version.c renamed: lib/warnless.c -> lib/curl_warnless.c renamed: lib/wildcard.c -> lib/curl_wildcard.c ----------------------------------------
Diffstat (limited to 'lib/select.c')
-rw-r--r--lib/select.c529
1 files changed, 0 insertions, 529 deletions
diff --git a/lib/select.c b/lib/select.c
deleted file mode 100644
index d4519d39e..000000000
--- a/lib/select.c
+++ /dev/null
@@ -1,529 +0,0 @@
-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-#include "curl_setup.h"
-
-#ifdef HAVE_SYS_SELECT_H
-#include <sys/select.h>
-#endif
-
-#if !defined(HAVE_SELECT) && !defined(HAVE_POLL_FINE)
-#error "We can't compile without select() or poll() support."
-#endif
-
-#if defined(__BEOS__) && !defined(__HAIKU__)
-/* BeOS has FD_SET defined in socket.h */
-#include <socket.h>
-#endif
-
-#ifdef MSDOS
-#include <dos.h> /* delay() */
-#endif
-
-#include <curl/curl.h>
-
-#include "curl_urldata.h"
-#include "curl_connect.h"
-#include "curl_select.h"
-#include "curl_warnless.h"
-
-/* Convenience local macros */
-
-#define elapsed_ms (int)curlx_tvdiff(curlx_tvnow(), initial_tv)
-
-#ifdef CURL_ACKNOWLEDGE_EINTR
-#define error_not_EINTR (1)
-#else
-#define error_not_EINTR (error != EINTR)
-#endif
-
-/*
- * Internal function used for waiting a specific amount of ms
- * in Curl_socket_ready() and Curl_poll() when no file descriptor
- * is provided to wait on, just being used to delay execution.
- * WinSock select() and poll() timeout mechanisms need a valid
- * socket descriptor in a not null file descriptor set to work.
- * Waiting indefinitely with this function is not allowed, a
- * zero or negative timeout value will return immediately.
- * Timeout resolution, accuracy, as well as maximum supported
- * value is system dependent, neither factor is a citical issue
- * for the intended use of this function in the library.
- * On non-DOS and non-Winsock platforms, when compiled with
- * CURL_ACKNOWLEDGE_EINTR defined, EINTR condition is honored
- * and function might exit early without awaiting full timeout,
- * otherwise EINTR will be ignored and full timeout will elapse.
- *
- * Return values:
- * -1 = system call error, invalid timeout value, or interrupted
- * 0 = specified timeout has elapsed
- */
-int Curl_wait_ms(int timeout_ms)
-{
-#if !defined(MSDOS) && !defined(USE_WINSOCK)
-#ifndef HAVE_POLL_FINE
- struct timeval pending_tv;
-#endif
- struct timeval initial_tv;
- int pending_ms;
- int error;
-#endif
- int r = 0;
-
- if(!timeout_ms)
- return 0;
- if(timeout_ms < 0) {
- SET_SOCKERRNO(EINVAL);
- return -1;
- }
-#if defined(MSDOS)
- delay(timeout_ms);
-#elif defined(USE_WINSOCK)
- Sleep(timeout_ms);
-#else
- pending_ms = timeout_ms;
- initial_tv = curlx_tvnow();
- do {
-#if defined(HAVE_POLL_FINE)
- r = poll(NULL, 0, pending_ms);
-#else
- pending_tv.tv_sec = pending_ms / 1000;
- pending_tv.tv_usec = (pending_ms % 1000) * 1000;
- r = select(0, NULL, NULL, NULL, &pending_tv);
-#endif /* HAVE_POLL_FINE */
- if(r != -1)
- break;
- error = SOCKERRNO;
- if(error && error_not_EINTR)
- break;
- pending_ms = timeout_ms - elapsed_ms;
- if(pending_ms <= 0)
- break;
- } while(r == -1);
-#endif /* USE_WINSOCK */
- if(r)
- r = -1;
- return r;
-}
-
-/*
- * Wait for read or write events on a set of file descriptors. It uses poll()
- * when a fine poll() is available, in order to avoid limits with FD_SETSIZE,
- * otherwise select() is used. An error is returned if select() is being used
- * and a file descriptor is too large for FD_SETSIZE.
- *
- * A negative timeout value makes this function wait indefinitely,
- * unles no valid file descriptor is given, when this happens the
- * negative timeout is ignored and the function times out immediately.
- * When compiled with CURL_ACKNOWLEDGE_EINTR defined, EINTR condition
- * is honored and function might exit early without awaiting timeout,
- * otherwise EINTR will be ignored.
- *
- * Return values:
- * -1 = system call error or fd >= FD_SETSIZE
- * 0 = timeout
- * [bitmask] = action as described below
- *
- * CURL_CSELECT_IN - first socket is readable
- * CURL_CSELECT_IN2 - second socket is readable
- * CURL_CSELECT_OUT - write socket is writable
- * CURL_CSELECT_ERR - an error condition occurred
- */
-int Curl_socket_check(curl_socket_t readfd0, /* two sockets to read from */
- curl_socket_t readfd1,
- curl_socket_t writefd, /* socket to write to */
- long timeout_ms) /* milliseconds to wait */
-{
-#ifdef HAVE_POLL_FINE
- struct pollfd pfd[3];
- int num;
-#else
- struct timeval pending_tv;
- struct timeval *ptimeout;
- fd_set fds_read;
- fd_set fds_write;
- fd_set fds_err;
- curl_socket_t maxfd;
-#endif
- struct timeval initial_tv = {0,0};
- int pending_ms = 0;
- int error;
- int r;
- int ret;
-
- if((readfd0 == CURL_SOCKET_BAD) && (readfd1 == CURL_SOCKET_BAD) &&
- (writefd == CURL_SOCKET_BAD)) {
- /* no sockets, just wait */
- r = Curl_wait_ms((int)timeout_ms);
- return r;
- }
-
- /* Avoid initial timestamp, avoid curlx_tvnow() call, when elapsed
- time in this function does not need to be measured. This happens
- when function is called with a zero timeout or a negative timeout
- value indicating a blocking call should be performed. */
-
- if(timeout_ms > 0) {
- pending_ms = (int)timeout_ms;
- initial_tv = curlx_tvnow();
- }
-
-#ifdef HAVE_POLL_FINE
-
- num = 0;
- if(readfd0 != CURL_SOCKET_BAD) {
- pfd[num].fd = readfd0;
- pfd[num].events = POLLRDNORM|POLLIN|POLLRDBAND|POLLPRI;
- pfd[num].revents = 0;
- num++;
- }
- if(readfd1 != CURL_SOCKET_BAD) {
- pfd[num].fd = readfd1;
- pfd[num].events = POLLRDNORM|POLLIN|POLLRDBAND|POLLPRI;
- pfd[num].revents = 0;
- num++;
- }
- if(writefd != CURL_SOCKET_BAD) {
- pfd[num].fd = writefd;
- pfd[num].events = POLLWRNORM|POLLOUT;
- pfd[num].revents = 0;
- num++;
- }
-
- do {
- if(timeout_ms < 0)
- pending_ms = -1;
- else if(!timeout_ms)
- pending_ms = 0;
- r = poll(pfd, num, pending_ms);
- if(r != -1)
- break;
- error = SOCKERRNO;
- if(error && error_not_EINTR)
- break;
- if(timeout_ms > 0) {
- pending_ms = (int)(timeout_ms - elapsed_ms);
- if(pending_ms <= 0) {
- r = 0; /* Simulate a "call timed out" case */
- break;
- }
- }
- } while(r == -1);
-
- if(r < 0)
- return -1;
- if(r == 0)
- return 0;
-
- ret = 0;
- num = 0;
- if(readfd0 != CURL_SOCKET_BAD) {
- if(pfd[num].revents & (POLLRDNORM|POLLIN|POLLERR|POLLHUP))
- ret |= CURL_CSELECT_IN;
- if(pfd[num].revents & (POLLRDBAND|POLLPRI|POLLNVAL))
- ret |= CURL_CSELECT_ERR;
- num++;
- }
- if(readfd1 != CURL_SOCKET_BAD) {
- if(pfd[num].revents & (POLLRDNORM|POLLIN|POLLERR|POLLHUP))
- ret |= CURL_CSELECT_IN2;
- if(pfd[num].revents & (POLLRDBAND|POLLPRI|POLLNVAL))
- ret |= CURL_CSELECT_ERR;
- num++;
- }
- if(writefd != CURL_SOCKET_BAD) {
- if(pfd[num].revents & (POLLWRNORM|POLLOUT))
- ret |= CURL_CSELECT_OUT;
- if(pfd[num].revents & (POLLERR|POLLHUP|POLLNVAL))
- ret |= CURL_CSELECT_ERR;
- }
-
- return ret;
-
-#else /* HAVE_POLL_FINE */
-
- FD_ZERO(&fds_err);
- maxfd = (curl_socket_t)-1;
-
- FD_ZERO(&fds_read);
- if(readfd0 != CURL_SOCKET_BAD) {
- VERIFY_SOCK(readfd0);
- FD_SET(readfd0, &fds_read);
- FD_SET(readfd0, &fds_err);
- maxfd = readfd0;
- }
- if(readfd1 != CURL_SOCKET_BAD) {
- VERIFY_SOCK(readfd1);
- FD_SET(readfd1, &fds_read);
- FD_SET(readfd1, &fds_err);
- if(readfd1 > maxfd)
- maxfd = readfd1;
- }
-
- FD_ZERO(&fds_write);
- if(writefd != CURL_SOCKET_BAD) {
- VERIFY_SOCK(writefd);
- FD_SET(writefd, &fds_write);
- FD_SET(writefd, &fds_err);
- if(writefd > maxfd)
- maxfd = writefd;
- }
-
- ptimeout = (timeout_ms < 0) ? NULL : &pending_tv;
-
- do {
- if(timeout_ms > 0) {
- pending_tv.tv_sec = pending_ms / 1000;
- pending_tv.tv_usec = (pending_ms % 1000) * 1000;
- }
- else if(!timeout_ms) {
- pending_tv.tv_sec = 0;
- pending_tv.tv_usec = 0;
- }
- r = select((int)maxfd + 1, &fds_read, &fds_write, &fds_err, ptimeout);
- if(r != -1)
- break;
- error = SOCKERRNO;
- if(error && error_not_EINTR)
- break;
- if(timeout_ms > 0) {
- pending_ms = timeout_ms - elapsed_ms;
- if(pending_ms <= 0) {
- r = 0; /* Simulate a "call timed out" case */
- break;
- }
- }
- } while(r == -1);
-
- if(r < 0)
- return -1;
- if(r == 0)
- return 0;
-
- ret = 0;
- if(readfd0 != CURL_SOCKET_BAD) {
- if(FD_ISSET(readfd0, &fds_read))
- ret |= CURL_CSELECT_IN;
- if(FD_ISSET(readfd0, &fds_err))
- ret |= CURL_CSELECT_ERR;
- }
- if(readfd1 != CURL_SOCKET_BAD) {
- if(FD_ISSET(readfd1, &fds_read))
- ret |= CURL_CSELECT_IN2;
- if(FD_ISSET(readfd1, &fds_err))
- ret |= CURL_CSELECT_ERR;
- }
- if(writefd != CURL_SOCKET_BAD) {
- if(FD_ISSET(writefd, &fds_write))
- ret |= CURL_CSELECT_OUT;
- if(FD_ISSET(writefd, &fds_err))
- ret |= CURL_CSELECT_ERR;
- }
-
- return ret;
-
-#endif /* HAVE_POLL_FINE */
-
-}
-
-/*
- * This is a wrapper around poll(). If poll() does not exist, then
- * select() is used instead. An error is returned if select() is
- * being used and a file descriptor is too large for FD_SETSIZE.
- * A negative timeout value makes this function wait indefinitely,
- * unles no valid file descriptor is given, when this happens the
- * negative timeout is ignored and the function times out immediately.
- * When compiled with CURL_ACKNOWLEDGE_EINTR defined, EINTR condition
- * is honored and function might exit early without awaiting timeout,
- * otherwise EINTR will be ignored.
- *
- * Return values:
- * -1 = system call error or fd >= FD_SETSIZE
- * 0 = timeout
- * N = number of structures with non zero revent fields
- */
-int Curl_poll(struct pollfd ufds[], unsigned int nfds, int timeout_ms)
-{
-#ifndef HAVE_POLL_FINE
- struct timeval pending_tv;
- struct timeval *ptimeout;
- fd_set fds_read;
- fd_set fds_write;
- fd_set fds_err;
- curl_socket_t maxfd;
-#endif
- struct timeval initial_tv = {0,0};
- bool fds_none = TRUE;
- unsigned int i;
- int pending_ms = 0;
- int error;
- int r;
-
- if(ufds) {
- for(i = 0; i < nfds; i++) {
- if(ufds[i].fd != CURL_SOCKET_BAD) {
- fds_none = FALSE;
- break;
- }
- }
- }
- if(fds_none) {
- r = Curl_wait_ms(timeout_ms);
- return r;
- }
-
- /* Avoid initial timestamp, avoid curlx_tvnow() call, when elapsed
- time in this function does not need to be measured. This happens
- when function is called with a zero timeout or a negative timeout
- value indicating a blocking call should be performed. */
-
- if(timeout_ms > 0) {
- pending_ms = timeout_ms;
- initial_tv = curlx_tvnow();
- }
-
-#ifdef HAVE_POLL_FINE
-
- do {
- if(timeout_ms < 0)
- pending_ms = -1;
- else if(!timeout_ms)
- pending_ms = 0;
- r = poll(ufds, nfds, pending_ms);
- if(r != -1)
- break;
- error = SOCKERRNO;
- if(error && error_not_EINTR)
- break;
- if(timeout_ms > 0) {
- pending_ms = timeout_ms - elapsed_ms;
- if(pending_ms <= 0)
- break;
- }
- } while(r == -1);
-
- if(r < 0)
- return -1;
- if(r == 0)
- return 0;
-
- for(i = 0; i < nfds; i++) {
- if(ufds[i].fd == CURL_SOCKET_BAD)
- continue;
- if(ufds[i].revents & POLLHUP)
- ufds[i].revents |= POLLIN;
- if(ufds[i].revents & POLLERR)
- ufds[i].revents |= (POLLIN|POLLOUT);
- }
-
-#else /* HAVE_POLL_FINE */
-
- FD_ZERO(&fds_read);
- FD_ZERO(&fds_write);
- FD_ZERO(&fds_err);
- maxfd = (curl_socket_t)-1;
-
- for(i = 0; i < nfds; i++) {
- ufds[i].revents = 0;
- if(ufds[i].fd == CURL_SOCKET_BAD)
- continue;
- VERIFY_SOCK(ufds[i].fd);
- if(ufds[i].events & (POLLIN|POLLOUT|POLLPRI|
- POLLRDNORM|POLLWRNORM|POLLRDBAND)) {
- if(ufds[i].fd > maxfd)
- maxfd = ufds[i].fd;
- if(ufds[i].events & (POLLRDNORM|POLLIN))
- FD_SET(ufds[i].fd, &fds_read);
- if(ufds[i].events & (POLLWRNORM|POLLOUT))
- FD_SET(ufds[i].fd, &fds_write);
- if(ufds[i].events & (POLLRDBAND|POLLPRI))
- FD_SET(ufds[i].fd, &fds_err);
- }
- }
-
- ptimeout = (timeout_ms < 0) ? NULL : &pending_tv;
-
- do {
- if(timeout_ms > 0) {
- pending_tv.tv_sec = pending_ms / 1000;
- pending_tv.tv_usec = (pending_ms % 1000) * 1000;
- }
- else if(!timeout_ms) {
- pending_tv.tv_sec = 0;
- pending_tv.tv_usec = 0;
- }
- r = select((int)maxfd + 1, &fds_read, &fds_write, &fds_err, ptimeout);
- if(r != -1)
- break;
- error = SOCKERRNO;
- if(error && error_not_EINTR)
- break;
- if(timeout_ms > 0) {
- pending_ms = timeout_ms - elapsed_ms;
- if(pending_ms <= 0)
- break;
- }
- } while(r == -1);
-
- if(r < 0)
- return -1;
- if(r == 0)
- return 0;
-
- r = 0;
- for(i = 0; i < nfds; i++) {
- ufds[i].revents = 0;
- if(ufds[i].fd == CURL_SOCKET_BAD)
- continue;
- if(FD_ISSET(ufds[i].fd, &fds_read))
- ufds[i].revents |= POLLIN;
- if(FD_ISSET(ufds[i].fd, &fds_write))
- ufds[i].revents |= POLLOUT;
- if(FD_ISSET(ufds[i].fd, &fds_err))
- ufds[i].revents |= POLLPRI;
- if(ufds[i].revents != 0)
- r++;
- }
-
-#endif /* HAVE_POLL_FINE */
-
- return r;
-}
-
-#ifdef TPF
-/*
- * This is a replacement for select() on the TPF platform.
- * It is used whenever libcurl calls select().
- * The call below to tpf_process_signals() is required because
- * TPF's select calls are not signal interruptible.
- *
- * Return values are the same as select's.
- */
-int tpf_select_libcurl(int maxfds, fd_set* reads, fd_set* writes,
- fd_set* excepts, struct timeval* tv)
-{
- int rc;
-
- rc = tpf_select_bsd(maxfds, reads, writes, excepts, tv);
- tpf_process_signals();
- return(rc);
-}
-#endif /* TPF */