From: Craig A. Berry <craigberry@mac.com>
Date: Mon, 6 Nov 2000 23:45:30 +0000 (-0500)
Subject: configure.com and st-lock.t changes for
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=c44c482642024dcc060fbe4eb4461ec18af07e2d;p=p5sagit%2Fp5-mst-13.2.git

configure.com and st-lock.t changes for
Message-Id: <0011079735.AA973576259@univpress.com>

p4raw-id: //depot/perl@7589
---

diff --git a/configure.com b/configure.com
index 8063bb6..46867e2 100644
--- a/configure.com
+++ b/configure.com
@@ -3476,6 +3476,54 @@ $ tmp = "fcntl"
 $ GOSUB inlibc
 $ d_fcntl = tmp
 $!
+$! Check for fcntl locking capability
+$!
+$ echo4 "Checking if fcntl-based file locking works... "
+$ tmp = "undef"
+$ IF d_fcntl .EQS. "define"
+$ THEN
+$   OS
+$   WS "#include <stdio.h>"
+$   WS "#if defined(__DECC) || defined(__DECCXX)"
+$   WS "#include <stdlib.h>"
+$   WS "#endif"
+$   WS "#include <fcntl.h>"
+$   WS "#include <unistd.h>"
+$   WS "int main() {"
+$   WS "#if defined(F_SETLK) && defined(F_SETLKW)"
+$   WS "     struct flock flock;"
+$   WS "     int retval, fd;"
+$   WS "     fd = open(""try.c"", O_RDONLY);"
+$   WS "     flock.l_type = F_RDLCK;"
+$   WS "     flock.l_whence = SEEK_SET;"
+$   WS "     flock.l_start = flock.l_len = 0;"
+$   WS "     retval = fcntl(fd, F_SETLK, &flock);"
+$   WS "     close(fd);"
+$   WS "     (retval < 0 ? printf(""undef\n"") : printf(""define\n""));"
+$   WS "#else"
+$   WS "     printf(""undef\n"");"
+$   WS "#endif"
+$   WS "}"
+$   CS
+$   GOSUB link_ok
+$   IF compile_status .EQ. good_compile .AND. link_status .EQ. good_link
+$   THEN
+$     GOSUB just_mcr_it
+$     IF tmp .EQS. "define"
+$     THEN
+$       echo4 "Yes, it seems to work."
+$     ELSE
+$       echo4 "Nope, it didn't work."
+$     ENDIF
+$   ELSE
+$     echo4 "I'm unable to compile the test program, so I'll assume not."
+$     tmp = "undef"
+$   ENDIF
+$ ELSE
+$   echo4 "Nope, since you don't even have fcntl()."
+$ ENDIF
+$ d_fcntl_can_lock = tmp
+$!
 $! Check for memchr
 $!
 $ OS
diff --git a/t/lib/st-lock.t b/t/lib/st-lock.t
index c29d0b7..694db16 100644
--- a/t/lib/st-lock.t
+++ b/t/lib/st-lock.t
@@ -25,7 +25,9 @@ sub BEGIN {
         print "1..0 # Skip: Storable was not built\n";
         exit 0;
     }
-    if (!$Config{'d_flock'} && !$Config{'d_fcntl'} && !$Config{'d_lockf'}) {
+    if (!$Config{'d_flock'} &&
+	!$Config{'d_fcntl_can_lock'} &&
+	!$Config{'d_lockf'}) {
         print "1..0 # Skip: no flock or flock emulation on this platform\n";
         exit 0;
     }