Revert "Update NSPR to 4.18"

This reverts commit 8781f745556be5d7402d0f3adc67ecfe32fe04a0.

1 files changed, 46 insertions, 1 deletions

diff --git a/nsprpub/pr/tests/forktest.c b/nsprpub/pr/tests/forktest.c
index 66dc64575..a389fa479 100644
--- a/nsprpub/pr/tests/forktest.c
+++ b/nsprpub/pr/tests/forktest.c
@@ -196,6 +196,51 @@ finish:
     return;
 }
 
+#ifdef _PR_DCETHREADS
+
+#include <syscall.h>
+
+pid_t PR_UnixFork1(void)
+{
+    pid_t parent = getpid();
+    int rv = syscall(SYS_fork);
+
+    if (rv == -1) {
+        return (pid_t) -1;
+    } else {
+        /* For each process, rv is the pid of the other process */
+        if (rv == parent) {
+            /* the child */
+            return 0;
+        } else {
+            /* the parent */
+            return rv;
+        }
+    }
+}
+
+#elif defined(SOLARIS)
+
+/*
+ * It seems like that in Solaris 2.4 one must call fork1() if the
+ * the child process is going to use thread functions.  Solaris 2.5
+ * doesn't have this problem. Calling fork() also works. 
+ */
+
+pid_t PR_UnixFork1(void)
+{
+    return fork1();
+}
+
+#else
+
+pid_t PR_UnixFork1(void)
+{
+    return fork();
+}
+
+#endif  /* PR_DCETHREADS */
+
 int main(int argc, char **argv)
 {
     pid_t pid;
@@ -205,7 +250,7 @@ int main(int argc, char **argv)
 
     DoIO();
 
-    pid = fork();
+    pid = PR_UnixFork1();
 
     if (pid  == (pid_t) -1) {
         fprintf(stderr, "Fork failed: errno %d\n", errno);