82 lines
2.5 KiB
Diff
82 lines
2.5 KiB
Diff
diff --git a/configure.in b/configure.in
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index a3c994b..9a4351a 100644
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--- a/configure.in
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+++ b/configure.in
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@@ -524,7 +524,8 @@ prctl \
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timegm \
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getpgid \
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fopen64 \
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-getloadavg
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+getloadavg \
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+gettid
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)
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dnl confirm that a void pointer is large enough to store a long integer
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@@ -535,16 +536,19 @@ AC_CHECK_LIB(selinux, is_selinux_enabled, [
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APR_ADDTO(HTTPD_LIBS, [-lselinux])
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])
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-AC_CACHE_CHECK([for gettid()], ac_cv_gettid,
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+if test $ac_cv_func_gettid = no; then
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+ # On Linux before glibc 2.30, gettid() is only usable via syscall()
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+ AC_CACHE_CHECK([for gettid() via syscall], ap_cv_gettid,
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[AC_TRY_RUN(#define _GNU_SOURCE
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#include <unistd.h>
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#include <sys/syscall.h>
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#include <sys/types.h>
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int main(int argc, char **argv) {
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pid_t t = syscall(SYS_gettid); return t == -1 ? 1 : 0; },
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-[ac_cv_gettid=yes], [ac_cv_gettid=no], [ac_cv_gettid=no])])
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-if test "$ac_cv_gettid" = "yes"; then
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- AC_DEFINE(HAVE_GETTID, 1, [Define if you have gettid()])
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+ [ap_cv_gettid=yes], [ap_cv_gettid=no], [ap_cv_gettid=no])])
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+ if test "$ap_cv_gettid" = "yes"; then
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+ AC_DEFINE(HAVE_SYS_GETTID, 1, [Define if you have gettid() via syscall()])
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+ fi
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fi
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dnl ## Check for the tm_gmtoff field in struct tm to get the timezone diffs
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diff --git a/server/log.c b/server/log.c
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index cc04c38..ed3b920 100644
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--- a/server/log.c
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+++ b/server/log.c
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@@ -55,7 +55,7 @@
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#include "ap_mpm.h"
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#include "ap_listen.h"
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-#if HAVE_GETTID
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+#if HAVE_SYS_GETTID
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#include <sys/syscall.h>
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#include <sys/types.h>
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#endif
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@@ -627,14 +627,18 @@ static int log_tid(const ap_errorlog_info *info, const char *arg,
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#if APR_HAS_THREADS
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int result;
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#endif
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-#if HAVE_GETTID
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+#if defined(HAVE_GETTID) || defined(HAVE_SYS_GETTID)
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if (arg && *arg == 'g') {
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+#ifdef HAVE_GETTID
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+ pid_t tid = gettid();
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+#else
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pid_t tid = syscall(SYS_gettid);
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+#endif
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if (tid == -1)
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return 0;
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return apr_snprintf(buf, buflen, "%"APR_PID_T_FMT, tid);
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}
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-#endif
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+#endif /* HAVE_GETTID || HAVE_SYS_GETTID */
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#if APR_HAS_THREADS
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if (ap_mpm_query(AP_MPMQ_IS_THREADED, &result) == APR_SUCCESS
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&& result != AP_MPMQ_NOT_SUPPORTED)
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@@ -968,7 +972,7 @@ static int do_errorlog_default(const ap_errorlog_info *info, char *buf,
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#if APR_HAS_THREADS
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field_start = len;
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len += cpystrn(buf + len, ":tid ", buflen - len);
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- item_len = log_tid(info, NULL, buf + len, buflen - len);
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+ item_len = log_tid(info, "g", buf + len, buflen - len);
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if (!item_len)
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len = field_start;
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else
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