diff options
| author | Joe Orton <jorton@apache.org> | 2020-07-07 15:40:15 +0200 |
|---|---|---|
| committer | Joe Orton <jorton@apache.org> | 2020-07-07 15:40:15 +0200 |
| commit | 33d99cf67f4bbdce86be0a0fdbb3d26f18e0f2a7 (patch) | |
| tree | 6f4ae663614add01978478726de007b673219102 /configure.in | |
| parent | Bump the logno. (diff) | |
| download | apache2-33d99cf67f4bbdce86be0a0fdbb3d26f18e0f2a7.tar.xz apache2-33d99cf67f4bbdce86be0a0fdbb3d26f18e0f2a7.zip | |
Check for and use gettid() directly if available; glibc 2.30 and later
provides a wrapper for the system call:
* configure.in: Check for gettid() and define HAVE_SYS_GETTID if
gettid() is only usable via syscall().
* server/log.c (log_tid): Use gettid() directly if available.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1879591 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/configure.in b/configure.in index 423d58d4b9..60cbf7b7f8 100644 --- a/configure.in +++ b/configure.in @@ -535,22 +535,26 @@ prctl \ timegm \ getpgid \ fopen64 \ -getloadavg +getloadavg \ +gettid ) dnl confirm that a void pointer is large enough to store a long integer APACHE_CHECK_VOID_PTR_LEN -AC_CACHE_CHECK([for gettid()], ac_cv_gettid, +if test $ac_cv_func_gettid = no; then + # On Linux before glibc 2.30, gettid() is only usable via syscall() + AC_CACHE_CHECK([for gettid() via syscall], ap_cv_gettid, [AC_TRY_RUN(#define _GNU_SOURCE #include <unistd.h> #include <sys/syscall.h> #include <sys/types.h> int main(int argc, char **argv) { pid_t t = syscall(SYS_gettid); return t == -1 ? 1 : 0; }, -[ac_cv_gettid=yes], [ac_cv_gettid=no], [ac_cv_gettid=no])]) -if test "$ac_cv_gettid" = "yes"; then - AC_DEFINE(HAVE_GETTID, 1, [Define if you have gettid()]) + [ap_cv_gettid=yes], [ap_cv_gettid=no], [ap_cv_gettid=no])]) + if test "$ap_cv_gettid" = "yes"; then + AC_DEFINE(HAVE_SYS_GETTID, 1, [Define if you have gettid() via syscall()]) + fi fi dnl ## Check for the tm_gmtoff field in struct tm to get the timezone diffs |