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Add pthread_create consistency check.

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This commit is contained in:
Kurt Zeilenga 1998-11-30 01:58:54 +00:00
parent fa96c5bacb
commit 70a4dd7f87
2 changed files with 324 additions and 240 deletions
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522
configure vendored
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File diff suppressed because it is too large Load Diff

42
configure.in
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@ -517,9 +517,38 @@ if test $ol_with_threads = auto -o $ol_with_threads = posix ; then
thr_setconcurrency \
)
AC_MSG_CHECKING([if pthread_create() works])
AC_CACHE_VAL(ol_cv_pthread_create_works,[
AC_TRY_RUN([
#include <stdlib.h>
#include <pthread.h>
static int g = 0;
static void task(void *p) {
return g++;
}
int main(argc, argv)
int argc;
char **argv;
{
pthread_t t;
exit(pthread_create(&t, NULL, (void *) task, NULL));
}],
[ol_cv_pthread_create_works=yes],
[ol_cv_pthread_create_works=no],
[dnl assume yes
ol_cv_pthread_create_works=yes])])
AC_MSG_RESULT($ol_cv_pthread_create_works)
if test $ol_cv_pthread_create_works = no ; then
AC_MSG_ERROR([pthread.h and pthread_create are not compatible])
fi
dnl Check if select causes an yield
if test $ol_with_yielding_select = auto ; then
AC_MSG_CHECKING([if select yields])
AC_MSG_CHECKING([if select yields when using pthreads])
AC_CACHE_VAL(ol_cv_pthread_select_yields,[
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/time.h>
@ -587,12 +616,13 @@ int main(argc, argv)
#endif
#endif
exit(0);
}
], [ol_pthread_select_yields=yes], [ol_pthread_select_yields=no], [
AC_MSG_ERROR([crossing compiling: use --with-yielding_select=yes|no|manual])])
AC_MSG_RESULT($ol_pthread_select_yields)
}],
[ol_cv_pthread_select_yields=yes],
[ol_cv_pthread_select_yields=no], [
AC_MSG_ERROR([crossing compiling: use --with-yielding_select=yes|no|manual])])])
AC_MSG_RESULT($ol_cv_pthread_select_yields)
if test $ol_pthread_select_yields = yes ; then
if test $ol_cv_pthread_select_yields = yes ; then
ol_with_yielding_select=yes
fi
fi