Mercurial > hgrepos > Python2 > PyMuPDF
comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_NOSIGNAL.3 @ 2:b50eed0cc0ef upstream
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
The directory name has changed: no version number in the expanded directory now.
| author | Franz Glasner <fzglas.hg@dom66.de> |
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| date | Mon, 15 Sep 2025 11:43:07 +0200 |
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| 1:1d09e1dec1d9 | 2:b50eed0cc0ef |
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| 1 .\" ************************************************************************** | |
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| 23 .TH CURLOPT_NOSIGNAL 3 "16 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options" | |
| 24 .SH NAME | |
| 25 CURLOPT_NOSIGNAL \- skip all signal handling | |
| 26 .SH SYNOPSIS | |
| 27 #include <curl/curl.h> | |
| 28 | |
| 29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_NOSIGNAL, long onoff); | |
| 30 .SH DESCRIPTION | |
| 31 If \fIonoff\fP is 1, libcurl will not use any functions that install signal | |
| 32 handlers or any functions that cause signals to be sent to the process. This | |
| 33 option is here to allow multi-threaded unix applications to still set/use all | |
| 34 timeout options etc, without risking getting signals. | |
| 35 | |
| 36 If this option is set and libcurl has been built with the standard name | |
| 37 resolver, timeouts will not occur while the name resolve takes place. | |
| 38 Consider building libcurl with the c-ares or threaded resolver backends to | |
| 39 enable asynchronous DNS lookups, to enable timeouts for name resolves without | |
| 40 the use of signals. | |
| 41 | |
| 42 Setting \fICURLOPT_NOSIGNAL(3)\fP to 1 makes libcurl NOT ask the system to | |
| 43 ignore SIGPIPE signals, which otherwise are sent by the system when trying to | |
| 44 send data to a socket which is closed in the other end. libcurl makes an | |
| 45 effort to never cause such SIGPIPEs to trigger, but some operating systems | |
| 46 have no way to avoid them and even on those that have there are some corner | |
| 47 cases when they may still happen, contrary to our desire. In addition, using | |
| 48 \fICURLAUTH_NTLM_WB\fP authentication could cause a SIGCHLD signal to be | |
| 49 raised. | |
| 50 .SH DEFAULT | |
| 51 0 | |
| 52 .SH AVAILABILITY | |
| 53 Added in 7.10 | |
| 54 .SH RETURN VALUE | |
| 55 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. |