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| author | Thomas Guillem <thomas@gllm.fr> | 2022-04-05 15:46:03 +0200 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2022-06-07 13:34:03 +0200 |
| commit | 23af112f5556d6a785c17e09f2422ac931405f61 (patch) | |
| tree | 7da52fda05efd040e5df0c766c462a8020ec341e /m4 | |
| parent | 134963a5efdc3906257c88ce62dba8d46c292908 (diff) | |
| download | curl-23af112f5556d6a785c17e09f2422ac931405f61.tar.gz | |
lib: make curl_global_init() threadsafe when possible
Use a posix pthread or a Windows SRWLOCK to lock curl_global_init*() and
curl_global_cleanup().
Closes #8680
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/curl-functions.m4 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/m4/curl-functions.m4 b/m4/curl-functions.m4 index b40d42798..eb85dce4a 100644 --- a/m4/curl-functions.m4 +++ b/m4/curl-functions.m4 @@ -6566,3 +6566,26 @@ AC_DEFUN([CURL_COVERAGE],[ LIBS="$LIBS -lgcov" fi ]) + +dnl CURL_ATOMIC +dnl -------------------------------------------------- +dnl Check if _Atomic works +dnl +AC_DEFUN([CURL_ATOMIC],[ + AC_MSG_CHECKING([if _Atomic is available]) + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $curl_includes_unistd + ]],[[ + _Atomic int i = 0; + ]]) + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE_UNQUOTED(HAVE_ATOMIC, 1, + [Define to 1 if you have _Atomic support.]) + tst_atomic="yes" + ],[ + AC_MSG_RESULT([no]) + tst_atomic="no" + ]) +]) |