diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/examples/fopen.c | 31 | ||||
| -rw-r--r-- | docs/examples/imap-multi.c | 34 | ||||
| -rw-r--r-- | docs/examples/multi-app.c | 31 | ||||
| -rw-r--r-- | docs/examples/multi-debugcallback.c | 31 | ||||
| -rw-r--r-- | docs/examples/multi-double.c | 31 | ||||
| -rw-r--r-- | docs/examples/multi-post.c | 31 | ||||
| -rw-r--r-- | docs/examples/multi-single.c | 31 | ||||
| -rw-r--r-- | docs/examples/pop3-multi.c | 34 | ||||
| -rw-r--r-- | docs/examples/smtp-multi.c | 34 |
9 files changed, 222 insertions, 66 deletions
diff --git a/docs/examples/fopen.c b/docs/examples/fopen.c index 6fe5c0f9f..c26c0de04 100644 --- a/docs/examples/fopen.c +++ b/docs/examples/fopen.c @@ -128,6 +128,7 @@ static int fill_buffer(URL_FILE *file, size_t want) fd_set fdexcep; struct timeval timeout; int rc; + CURLMcode mc; /* curl_multi_fdset() return code */ /* only attempt to fill buffer if transactions still running and buffer * doesnt exceed required size already @@ -158,15 +159,31 @@ static int fill_buffer(URL_FILE *file, size_t want) } /* get file descriptors from the transfers */ - curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); + mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); - /* In a real-world program you OF COURSE check the return code of the - function calls. On success, the value of maxfd is guaranteed to be - greater or equal than -1. We call select(maxfd + 1, ...), specially - in case of (maxfd == -1), we call select(0, ...), which is basically - equal to sleep. */ + if(mc != CURLM_OK) + { + fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc); + break; + } - rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + /* On success the value of maxfd is guaranteed to be >= -1. We call + select(maxfd + 1, ...); specially in case of (maxfd == -1) we call + select(0, ...), which is basically equal to sleeping the timeout. On + Windows we can't sleep via select without a dummy socket and instead + we Sleep() for 100ms which is the minimum suggested value in the + curl_multi_fdset() doc. */ + +#ifdef _WIN32 + if(maxfd == -1) { + Sleep(100); + rc = 0; + } + else +#endif + { + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + } switch(rc) { case -1: diff --git a/docs/examples/imap-multi.c b/docs/examples/imap-multi.c index 601205a08..c8c67ff87 100644 --- a/docs/examples/imap-multi.c +++ b/docs/examples/imap-multi.c @@ -88,6 +88,7 @@ int main(void) fd_set fdexcep; int maxfd = -1; int rc; + CURLMcode mc; /* curl_multi_fdset() return code */ long curl_timeo = -1; @@ -109,15 +110,32 @@ int main(void) timeout.tv_usec = (curl_timeo % 1000) * 1000; } - /* Get file descriptors from the transfers */ - curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd); + /* get file descriptors from the transfers */ + mc = curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd); - /* In a real-world program you OF COURSE check the return code of the - function calls. On success, the value of maxfd is guaranteed to be - greater or equal than -1. We call select(maxfd + 1, ...), specially in - case of (maxfd == -1), we call select(0, ...), which is basically equal - to sleep. */ - rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout); + if(mc != CURLM_OK) + { + fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc); + break; + } + + /* On success the value of maxfd is guaranteed to be >= -1. We call + select(maxfd + 1, ...); specially in case of (maxfd == -1) we call + select(0, ...), which is basically equal to sleeping the timeout. On + Windows we can't sleep via select without a dummy socket and instead + we Sleep() for 100ms which is the minimum suggested value in the + curl_multi_fdset() doc. */ + +#ifdef _WIN32 + if(maxfd == -1) { + Sleep(100); + rc = 0; + } + else +#endif + { + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + } if(tvdiff(tvnow(), mp_start) > MULTI_PERFORM_HANG_TIMEOUT) { fprintf(stderr, diff --git a/docs/examples/multi-app.c b/docs/examples/multi-app.c index a5f71c5ac..bf0f11ad5 100644 --- a/docs/examples/multi-app.c +++ b/docs/examples/multi-app.c @@ -73,6 +73,7 @@ int main(void) do { struct timeval timeout; int rc; /* select() return code */ + CURLMcode mc; /* curl_multi_fdset() return code */ fd_set fdread; fd_set fdwrite; @@ -99,15 +100,31 @@ int main(void) } /* get file descriptors from the transfers */ - curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); + mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); - /* In a real-world program you OF COURSE check the return code of the - function calls. On success, the value of maxfd is guaranteed to be - greater or equal than -1. We call select(maxfd + 1, ...), specially in - case of (maxfd == -1), we call select(0, ...), which is basically equal - to sleep. */ + if(mc != CURLM_OK) + { + fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc); + break; + } - rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + /* On success the value of maxfd is guaranteed to be >= -1. We call + select(maxfd + 1, ...); specially in case of (maxfd == -1) we call + select(0, ...), which is basically equal to sleeping the timeout. On + Windows we can't sleep via select without a dummy socket and instead + we Sleep() for 100ms which is the minimum suggested value in the + curl_multi_fdset() doc. */ + +#ifdef _WIN32 + if(maxfd == -1) { + Sleep(100); + rc = 0; + } + else +#endif + { + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + } switch(rc) { case -1: diff --git a/docs/examples/multi-debugcallback.c b/docs/examples/multi-debugcallback.c index 8eedcee5b..31dec5472 100644 --- a/docs/examples/multi-debugcallback.c +++ b/docs/examples/multi-debugcallback.c @@ -147,6 +147,7 @@ int main(void) do { struct timeval timeout; int rc; /* select() return code */ + CURLMcode mc; /* curl_multi_fdset() return code */ fd_set fdread; fd_set fdwrite; @@ -173,15 +174,31 @@ int main(void) } /* get file descriptors from the transfers */ - curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); + mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); - /* In a real-world program you OF COURSE check the return code of the - function calls. On success, the value of maxfd is guaranteed to be - greater or equal than -1. We call select(maxfd + 1, ...), specially in - case of (maxfd == -1), we call select(0, ...), which is basically equal - to sleep. */ + if(mc != CURLM_OK) + { + fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc); + break; + } - rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + /* On success the value of maxfd is guaranteed to be >= -1. We call + select(maxfd + 1, ...); specially in case of (maxfd == -1) we call + select(0, ...), which is basically equal to sleeping the timeout. On + Windows we can't sleep via select without a dummy socket and instead + we Sleep() for 100ms which is the minimum suggested value in the + curl_multi_fdset() doc. */ + +#ifdef _WIN32 + if(maxfd == -1) { + Sleep(100); + rc = 0; + } + else +#endif + { + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + } switch(rc) { case -1: diff --git a/docs/examples/multi-double.c b/docs/examples/multi-double.c index 91422e6e2..df0922a1c 100644 --- a/docs/examples/multi-double.c +++ b/docs/examples/multi-double.c @@ -62,6 +62,7 @@ int main(void) do { struct timeval timeout; int rc; /* select() return code */ + CURLMcode mc; /* curl_multi_fdset() return code */ fd_set fdread; fd_set fdwrite; @@ -88,15 +89,31 @@ int main(void) } /* get file descriptors from the transfers */ - curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); + mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); - /* In a real-world program you OF COURSE check the return code of the - function calls. On success, the value of maxfd is guaranteed to be - greater or equal than -1. We call select(maxfd + 1, ...), specially in - case of (maxfd == -1), we call select(0, ...), which is basically equal - to sleep. */ + if(mc != CURLM_OK) + { + fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc); + break; + } - rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + /* On success the value of maxfd is guaranteed to be >= -1. We call + select(maxfd + 1, ...); specially in case of (maxfd == -1) we call + select(0, ...), which is basically equal to sleeping the timeout. On + Windows we can't sleep via select without a dummy socket and instead + we Sleep() for 100ms which is the minimum suggested value in the + curl_multi_fdset() doc. */ + +#ifdef _WIN32 + if(maxfd == -1) { + Sleep(100); + rc = 0; + } + else +#endif + { + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + } switch(rc) { case -1: diff --git a/docs/examples/multi-post.c b/docs/examples/multi-post.c index 965a2c3f6..a6cc8683c 100644 --- a/docs/examples/multi-post.c +++ b/docs/examples/multi-post.c @@ -83,6 +83,7 @@ int main(void) do { struct timeval timeout; int rc; /* select() return code */ + CURLMcode mc; /* curl_multi_fdset() return code */ fd_set fdread; fd_set fdwrite; @@ -109,15 +110,31 @@ int main(void) } /* get file descriptors from the transfers */ - curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); + mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); - /* In a real-world program you OF COURSE check the return code of the - function calls. On success, the value of maxfd is guaranteed to be - greater or equal than -1. We call select(maxfd + 1, ...), specially in - case of (maxfd == -1), we call select(0, ...), which is basically equal - to sleep. */ + if(mc != CURLM_OK) + { + fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc); + break; + } - rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + /* On success the value of maxfd is guaranteed to be >= -1. We call + select(maxfd + 1, ...); specially in case of (maxfd == -1) we call + select(0, ...), which is basically equal to sleeping the timeout. On + Windows we can't sleep via select without a dummy socket and instead + we Sleep() for 100ms which is the minimum suggested value in the + curl_multi_fdset() doc. */ + +#ifdef _WIN32 + if(maxfd == -1) { + Sleep(100); + rc = 0; + } + else +#endif + { + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + } switch(rc) { case -1: diff --git a/docs/examples/multi-single.c b/docs/examples/multi-single.c index 37a01cd83..3d80c655f 100644 --- a/docs/examples/multi-single.c +++ b/docs/examples/multi-single.c @@ -60,6 +60,7 @@ int main(void) do { struct timeval timeout; int rc; /* select() return code */ + CURLMcode mc; /* curl_multi_fdset() return code */ fd_set fdread; fd_set fdwrite; @@ -86,15 +87,31 @@ int main(void) } /* get file descriptors from the transfers */ - curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); + mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); - /* In a real-world program you OF COURSE check the return code of the - function calls. On success, the value of maxfd is guaranteed to be - greater or equal than -1. We call select(maxfd + 1, ...), specially in - case of (maxfd == -1), we call select(0, ...), which is basically equal - to sleep. */ + if(mc != CURLM_OK) + { + fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc); + break; + } - rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + /* On success the value of maxfd is guaranteed to be >= -1. We call + select(maxfd + 1, ...); specially in case of (maxfd == -1) we call + select(0, ...), which is basically equal to sleeping the timeout. On + Windows we can't sleep via select without a dummy socket and instead + we Sleep() for 100ms which is the minimum suggested value in the + curl_multi_fdset() doc. */ + +#ifdef _WIN32 + if(maxfd == -1) { + Sleep(100); + rc = 0; + } + else +#endif + { + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + } switch(rc) { case -1: diff --git a/docs/examples/pop3-multi.c b/docs/examples/pop3-multi.c index d14d1159b..42142f954 100644 --- a/docs/examples/pop3-multi.c +++ b/docs/examples/pop3-multi.c @@ -88,6 +88,7 @@ int main(void) fd_set fdexcep; int maxfd = -1; int rc; + CURLMcode mc; /* curl_multi_fdset() return code */ long curl_timeo = -1; @@ -109,15 +110,32 @@ int main(void) timeout.tv_usec = (curl_timeo % 1000) * 1000; } - /* Get file descriptors from the transfers */ - curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd); + /* get file descriptors from the transfers */ + mc = curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd); - /* In a real-world program you OF COURSE check the return code of the - function calls. On success, the value of maxfd is guaranteed to be - greater or equal than -1. We call select(maxfd + 1, ...), specially in - case of (maxfd == -1), we call select(0, ...), which is basically equal - to sleep. */ - rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout); + if(mc != CURLM_OK) + { + fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc); + break; + } + + /* On success the value of maxfd is guaranteed to be >= -1. We call + select(maxfd + 1, ...); specially in case of (maxfd == -1) we call + select(0, ...), which is basically equal to sleeping the timeout. On + Windows we can't sleep via select without a dummy socket and instead + we Sleep() for 100ms which is the minimum suggested value in the + curl_multi_fdset() doc. */ + +#ifdef _WIN32 + if(maxfd == -1) { + Sleep(100); + rc = 0; + } + else +#endif + { + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + } if(tvdiff(tvnow(), mp_start) > MULTI_PERFORM_HANG_TIMEOUT) { fprintf(stderr, diff --git a/docs/examples/smtp-multi.c b/docs/examples/smtp-multi.c index 7f3d333df..998f69e3f 100644 --- a/docs/examples/smtp-multi.c +++ b/docs/examples/smtp-multi.c @@ -155,6 +155,7 @@ int main(void) fd_set fdexcep; int maxfd = -1; int rc; + CURLMcode mc; /* curl_multi_fdset() return code */ long curl_timeo = -1; @@ -176,15 +177,32 @@ int main(void) timeout.tv_usec = (curl_timeo % 1000) * 1000; } - /* Get file descriptors from the transfers */ - curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd); + /* get file descriptors from the transfers */ + mc = curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd); - /* In a real-world program you OF COURSE check the return code of the - function calls. On success, the value of maxfd is guaranteed to be - greater or equal than -1. We call select(maxfd + 1, ...), specially in - case of (maxfd == -1), we call select(0, ...), which is basically equal - to sleep. */ - rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + if(mc != CURLM_OK) + { + fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc); + break; + } + + /* On success the value of maxfd is guaranteed to be >= -1. We call + select(maxfd + 1, ...); specially in case of (maxfd == -1) we call + select(0, ...), which is basically equal to sleeping the timeout. On + Windows we can't sleep via select without a dummy socket and instead + we Sleep() for 100ms which is the minimum suggested value in the + curl_multi_fdset() doc. */ + +#ifdef _WIN32 + if(maxfd == -1) { + Sleep(100); + rc = 0; + } + else +#endif + { + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + } if(tvdiff(tvnow(), mp_start) > MULTI_PERFORM_HANG_TIMEOUT) { fprintf(stderr, |