* winsup.api/ltp/dup03.c: New test.

* winsup.api/ltp/lseek03.c: Ditto.
* winsup.api/ltp/mmap001.c: Ditto.
* winsup.api/ltp/read01.c: Ditto.
* winsup.api/ltp/readdir01.c: Ditto.
* winsup.api/ltp/rmdir05.c: Ditto.
* winsup.api/ltp/sbrk01.c: Ditto.
* winsup.api/ltp/select02.c: Ditto.
* winsup.api/ltp/select03.c: Ditto.
* winsup.api/ltp/signal03.c: Ditto.
* winsup.api/ltp/stat06.c: Ditto.
* winsup.api/ltp/unlink08.c: Ditto.
* winsup.api/known_bugs.tcl: Update to reflect new test's known
failures.
* winsup.api/winsup.exp: Don't delete executable in case of
unexpected pass, as well as in case of unexpected failure.
* README: Update paragraph about expected failures.

1 files changed, 665 insertions, 0 deletions

diff --git a/winsup/testsuite/winsup.api/ltp/signal03.c b/winsup/testsuite/winsup.api/ltp/signal03.c
new file mode 100644
index 0000000..38ba72b
--- /dev/null
+++ b/winsup/testsuite/winsup.api/ltp/signal03.c
@@ -0,0 +1,665 @@
+/*
+ * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Further, this software is distributed without any warranty that it is
+ * free of the rightful claim of any third person regarding infringement
+ * or the like.  Any license provided herein, whether implied or
+ * otherwise, applies only to this software file.  Patent licenses, if
+ * any, provided herein do not apply to combinations of this program with
+ * other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+ * Mountain View, CA  94043, or:
+ *
+ * http://www.sgi.com
+ *
+ * For further information regarding this notice, see:
+ *
+ * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
+ *
+ */
+/* $Id$ */
+/***********************************************************************************
+ * 
+ * OS Test   -  Silicon Graphics, Inc.  Eagan, Minnesota
+ * 
+ * TEST IDENTIFIER :  signal03  Boundary value and other invalid value checking
+ * 				 of signal setup and signal sending.
+ * 
+ * PARENT DOCUMENT :  sgntds01  Signal System Call
+ * 		
+ * AUTHOR           :  Dave Baumgartner
+ * 		    :  Rewrote 12/92 by Richard Logan
+ * 
+ * CO-PILOT         :  Barrie Kletscher
+ * 
+ * DATE STARTED     :  10/17/85
+ * 
+ * TEST ITEMS
+ * 
+ * 	1. SIGKILL can not be set to be caught, errno:EINVAL (POSIX).
+ * 	2. SIGKILL can not be caught.
+ * 	3. SIGKILL can not be set to be ignored, errno:EINVAL (POSIX).
+ * 	4. SIGKILL can not be ignored.
+ * 	5. SIGKILL can not be reset to default, errno:EINVAL (POSIX.
+ * 
+ * ENVIRONMENTAL NEEDS
+ * 
+ * 	NONE
+ * 
+ * SPECIAL PROCEDURAL REQUIREMENTS
+ * 
+ * 	None
+ * 
+ * INTERCASE DEPENDENCIES
+ * 
+ * 	2 depends on 1 and 4 on 3.
+ * 
+ * DETAILED DESCRIPTION
+ * 
+ * 	main()
+ * 	Call catch_test to test setup and catching of SIGKILL.
+ * 
+ * 
+ * 	Call ignore_test to test setup and ignoring of SIGKILL.
+ * 
+ * 
+ * 	Call sigdfl_test to test setting SIGKILL to default.
+ * 
+ * 	* END OF MAIN *
+ * 
+ * 
+ * 	catch_test()
+ * 
+ * 	fork a child
+ * 	if this is the parent
+ * 		sleep to let child start.
+ * 		send sig to child.
+ * 		wait for the child to terminate.
+ * 
+ * 		if the termination status of the child equals the signal sent to it
+ * 			Test item 1 PASSED the child was killed.
+ * 		else if status equals the exit value of SIG_CAUGHT
+ * 			Test item 2 FAILED sig was caught.
+ * 		else 
+ * 			Test item 2 FAILED because the child was not killed
+ * 			but sig was not caught either.
+ * 
+ * 	else this the child
+ * 		set exit_val to SIG_NOT_CAUGHT.
+ * 		set to catch sig, where the interrupt routine just sets 
+ * 		exit_val to SIG_CAUGHT.
+ * 
+ * 		If the return value and errno, after trying to set to catch sig,
+ * 		do not indicate that an error has occurred.
+ * 			Test item 1 FAILED bad return, return value:X, errno:X.
+ * 		else
+ * 			Test item 1 PASSED sig was not set to be caught.
+ * 
+ * 		pause until the parent sends a signal.
+ * 		The child should be killed by the signal but if not exit
+ * 		with exit_val.
+ * 
+ * 	* End of catch_test. *
+ * 
+ * 
+ * 	ignore_test()
+ * 
+ * 	fork a child
+ * 	if this is the parent
+ * 		sleep to let child start.
+ * 		send SIGKILL to child.
+ * 		wait for the child to terminate.
+ * 
+ * 		if the termination status of the child equals SIGKILL
+ * 			Test item 4 PASSED the child was killed.
+ * 		else if the status equals the exit value of SIG_IGNORED
+ * 			Test item 4 FAILED SIGKILL was ignored.
+ * 
+ * 	else this the child
+ * 
+ * 		If the return value and errno, after trying to set to ignore SIGKILL,
+ * 		do not indicate that an error has occurred.
+ * 			Test item 3 FAILED bad return, return value:X, errno:X.
+ * 		else
+ * 			Test item 3 PASSED SIGKILL was not set to be ignored.
+ * 
+ * 		pause until the parent sends SIGKILL.
+ * 		The child should be killed by the signal but if not exit
+ * 		with SIG_IGNORED.
+ * 
+ * 	* End of ignore_test. *
+ * 
+ * 
+ * 	sigdfl_test()
+ * 
+ * 	If the return value and errno, after trying to set to SIGKILL to default,
+ * 	do not indicate that an error has occurred.
+ * 		Test item 5 FAILED bad return, return value:X, errno:X.
+ * 	else
+ * 		Test item 5 PASSED SIGKILL was not set to default.
+ * 
+ * 	* End of sigdfl_test. *
+ * 
+ * BUGS/NOTES
+ * 	Since the system call under test is executed in the child, no
+ *	timings on this system call will be reported.
+ * 
+***********************************************************************************/
+
+#include <signal.h>
+#include <errno.h>  
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+
+#include "test.h"
+#include "usctest.h"
+
+void setup();
+void cleanup();
+void do_test();
+void sigdfl_test();
+void update_timings();
+
+#if defined(linux)
+# define SIG_PF sig_t  /* This might need to be sighandler_t on some systems */
+#elif defined(__CYGWIN__)
+typedef void (*sighandler_t) (int);
+#define SIG_PF sighandler_t
+#endif
+
+#define SIG_CAUGHT	1
+#define SIG_NOT_CAUGHT	0
+#define SIG_IGNORED	5
+#define TIMED_OUT	99
+
+#define TIMEOUT		20
+
+#define GO_FLAG		1
+#define ERROR_FLAG	2
+#define PASS_FLAG	3
+#define FAIL_FLAG	4
+
+#define IGNORE_TEST	1
+#define CATCH_TEST	2
+
+#define MAXMESG 150	/* The Maximum message that can be created.	*/
+
+int exit_val;		/* Global variable, used to tell whether the	*/
+			/* child exited instead of being killed.	*/
+extern int errno;	/* errno holds the error value returned by	*/
+			/* a system call.                        	*/
+char mesg[MAXMESG];	/* Holds messages to pass to tst_res.		*/ 
+
+struct ipc_t {
+    int status;
+    char mesg[MAXMESG];
+    struct tblock timings;
+} Ipc_info;
+
+char *TCID = "signal03";
+int TST_TOTAL = 5;
+extern int Tst_count;           /* count of test items completed */
+
+int Pid;		/* Return value from fork.			 */
+
+long Tret;
+
+/***********************************************************************
+ *   M A I N
+ ***********************************************************************/
+int
+main(argc, argv)
+int argc;
+char **argv;
+{
+    int lc;
+    const char *msg;
+
+    /***************************************************************
+    * parse standard options
+    ***************************************************************/
+    if ( (msg=parse_opts(argc, argv, (option_t *) NULL, NULL)) != (char *) NULL ) {
+        tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
+	tst_exit();
+    }
+
+    /***************************************************************
+     * perform global setup for test
+     ***************************************************************/
+    setup();
+
+    /***************************************************************
+     * check looping state if -c option given
+     ***************************************************************/
+    for (lc=0; TEST_LOOPING(lc); lc++) {
+
+        /* reset Tst_count in case we are looping. */
+        Tst_count=0;
+
+	errno=-4;
+
+	/*
+	 * Call catch_test to test setup and catching of SIGKILL.
+	 */
+	(void) do_test(CATCH_TEST, Tst_count);
+
+	/*
+	 * Call ignore_test to test setup and ignoring of SIGKILL.
+	 */
+	(void) do_test(IGNORE_TEST, Tst_count);
+
+	/*
+	 * Call sigdfl_test to test setting SIGKILL to default.
+	 */
+	(void) sigdfl_test();
+
+    }
+
+    cleanup();
+
+    return 0;
+} /*End of main*/
+
+/***********************************************************************
+ *
+ ***********************************************************************/
+void
+do_test(test_case, tst_count)
+int test_case;
+int tst_count;
+{
+  int term_stat;	/* Termination status of the child returned to	 */
+			/* the parent.					 */
+  char string[30];
+  int fd1[2];		/* ipc */
+  int rd_sz;		/* size of read */
+  void p_timeout_handler();
+  void c_timeout_handler();
+  void catchsig();
+
+  Tst_count = tst_count;
+
+  /*
+   * Create a pipe of ipc
+   */
+  if ( pipe(fd1) == -1 ) {
+	 sprintf(mesg,
+	 "pipe system call failed, Errno: %d, Error message: %s",
+			errno,strerror(errno)); 
+	 tst_resm(TBROK,mesg);
+	 tst_resm(TBROK,mesg);
+	 return;
+  }
+
+  /*
+   * Cause the read to return 0 once EOF is encountered and the
+   * read to return -1 if pipe is empty.
+   */
+
+  if ( fcntl(fd1[0], F_SETFL, O_NONBLOCK) == -1 ) {
+	sprintf(mesg, "fcntl(fd1[0], F_SETFL, O_NONBLOCK) failed: errno=%d",
+	    errno);
+	tst_resm(TBROK,mesg);
+        tst_resm(TBROK,mesg);
+	close(fd1[0]);
+	close(fd1[1]);
+	return;
+  }
+
+  if ((Pid = fork()) > 0) {	/* parent */
+
+	signal(SIGALRM, p_timeout_handler);
+
+	alarm(TIMEOUT);
+
+	close(fd1[1]);      /* close write side */
+
+	/*
+	 * Deal with child's messages.
+	 * Only the GO_FLAG status will allow parent to
+	 * go on.  All pipe io will be in the ipc_t structure sizes 
+	 * to avoid reading part of next message.
+	 */
+        while ( 1 ) {
+
+	    while ( (rd_sz=read(fd1[0], (char *)&Ipc_info, sizeof(Ipc_info))) != 0 ) {
+	        if ( rd_sz > 0 )
+	            break;	/* read something */
+	    }
+
+	    if ( rd_sz == 0 ) {		/* if EOF encountered */
+		sprintf(mesg, "child's pipe is closed before 'go' message received");
+		tst_resm(TBROK, Ipc_info.mesg);
+		tst_resm(TBROK, Ipc_info.mesg);
+		close(fd1[0]);
+	 	return;
+	    }
+
+	    else if ( Ipc_info.status == GO_FLAG ) {
+	 	break;	/* go on */
+	    }
+	    else if ( Ipc_info.status == ERROR_FLAG ) {
+		tst_resm(TBROK, "From child: %s", Ipc_info.mesg);
+		tst_resm(TBROK, "From child: %s", Ipc_info.mesg);
+		close(fd1[0]);
+	 	return;
+	    }
+	    else if ( Ipc_info.status == PASS_FLAG ) {
+		
+		if ( STD_FUNCTIONAL_TEST )
+		    tst_resm(TPASS, "From child: %s", Ipc_info.mesg);
+		else
+		    Tst_count++;
+		update_timings(Ipc_info.timings);
+	    }
+	    else if ( Ipc_info.status == FAIL_FLAG ) {
+		tst_resm(TFAIL, "From child: %s", Ipc_info.mesg);
+		update_timings(Ipc_info.timings);
+            }   
+	    else {
+		tst_resm(TINFO, "Unknown message from child: %s", mesg);
+	    }
+	}
+
+	/*
+	 * Send the signal SIGKILL to the child.
+	 */
+	 if (kill(Pid,SIGKILL) == -1)
+	 {
+		/*
+		 * The kill system call failed.
+		 */
+	       	 sprintf(mesg,
+		 "kill(Pid,SIGKILL) failed, Errno: %d, Error message: %s",
+				errno,strerror(errno)); 
+		 tst_resm(TBROK,mesg);
+		 tst_resm(TBROK,mesg);
+		 close(fd1[0]);
+	 	 return;
+	}
+
+	/*
+	 * Wait for the child to terminate and check the termination status.
+	 */
+	if (wait(&term_stat) == -1) {
+		/*
+		 * The wait system call failed.
+		 */
+	       	 sprintf(mesg,
+		 "Wait system call failed. Errno: %d, Error message: %s",
+				errno,strerror(errno)); 
+		 tst_resm(TBROK,mesg);
+		 tst_resm(TBROK,mesg);
+		 close(fd1[0]);
+	 	 return;
+	}
+	else if ( STD_FUNCTIONAL_TEST ) {
+	    if ((term_stat & 0377) == SIGKILL) {
+		/*
+		 * The child was killed by the signal sent,
+		 * which is correct.
+		 */
+		 tst_resm(TPASS,"The child was killed by SIGKILL.");
+	    }
+	    else if ( (term_stat >> 8) == TIMED_OUT ) {
+	        sprintf(mesg, "child exited with a timed out exit status");
+	        tst_resm(TBROK,mesg);
+	    }
+	    else {
+	        if ((term_stat >> 8) == SIG_IGNORED && test_case == IGNORE_TEST ) {
+		    sprintf(mesg, 
+		        "SIGKILL was ignored by child after sent by parent.");
+	        }
+	        else if ((term_stat >> 8) == SIG_CAUGHT && test_case == CATCH_TEST ) {
+		    sprintf(mesg,
+		        "SIGKILL was caught by child after sent by parent.");
+	        }
+	        else {
+	            sprintf(mesg,
+		        "Child's termination status is unexpected. Status: %d (%#o).",
+		        term_stat, term_stat);
+	        }
+	        tst_resm(TFAIL, mesg);
+	    }
+	}
+	else {
+	    Tst_count++;	/* increment test counter */
+	}
+	close(fd1[0]);
+
+    }	/* End of parent. */
+    else if (Pid == 0) {	
+	/*
+	 * This is the child.
+	 * Set up to ignore/catch SIGKILL and check the return values.
+	 */
+	errno=0;
+	if ( test_case == IGNORE_TEST ) {
+	    exit_val = SIG_IGNORED;
+	    strcpy(string, "signal(SIGKILL, SIG_IGN)");
+
+	    Tret=(long)signal(SIGKILL, SIG_IGN);
+	    TEST_ERRNO=errno;
+	}
+	else {
+	    exit_val = SIG_NOT_CAUGHT;
+	    strcpy(string, "signal(SIGKILL, catchsig)");
+	    Tret=(long)signal(SIGKILL, catchsig);
+	    TEST_ERRNO=errno;
+	}
+	Ipc_info.timings=tblock;	
+
+	if ( (SIG_PF)Tret == SIG_ERR  ) {
+	    if ( TEST_ERRNO == EINVAL ) {
+	        sprintf(Ipc_info.mesg, "%s ret:%ld SIG_ERR (%ld) as expected",
+		    string, Tret, (long)SIG_ERR);
+		Ipc_info.status = PASS_FLAG;
+	    }
+	    else {
+	        sprintf(Ipc_info.mesg,
+		    "%s ret:%ld, errno:%d expected ret:%ld, errno:%d",
+		    string, Tret, TEST_ERRNO, (long)SIG_ERR, EINVAL);
+		Ipc_info.status = FAIL_FLAG;
+	    }
+		
+	    write(fd1[1], (char *)&Ipc_info, sizeof(Ipc_info));
+	}
+	else {
+	    /*
+	     * The child was not allowed to set the signal to 
+	     * be ignored and errno was correct.
+	     */
+	    sprintf(Ipc_info.mesg,
+		"%s ret:%ld, errno:%d expected ret:%ld, errno:%d",
+		string, Tret, TEST_ERRNO, (long)SIG_ERR, EINVAL);
+	    Ipc_info.status = FAIL_FLAG;
+	    write(fd1[1], (char *)&Ipc_info, sizeof(Ipc_info));
+	}
+
+	/*
+	 * tell parent we are ready - setup by child is done
+	 */
+	Ipc_info.status = GO_FLAG;
+	write(fd1[1], (char *)&Ipc_info, sizeof(Ipc_info));
+
+	/*
+	 * Set the alarm to wake up from the pause below if
+	 * the parents signal is ignored.
+	 */
+	signal(SIGALRM, p_timeout_handler);
+	alarm(TIMEOUT);
+
+	/*
+	 * Pause until the parent sends a signal or until alarm is received.
+	 */
+	pause();
+
+	exit(exit_val);
+
+
+    }	/* End of child. */
+    else {
+	/*
+	 * The fork system call failed.
+	 */
+	 sprintf(mesg,
+		"Fork system call failed. Errno: %d, Error message: %s",
+			errno,strerror(errno)); 
+	 tst_resm(TBROK,mesg);
+	 tst_resm(TBROK,mesg);
+ 	 close(fd1[0]);
+         close(fd1[1]);
+	 return;
+    }
+
+} /* End of do_test. */
+
+/***********************************************************************
+ * sigdfl_test - test for attempt to set SIGKILL to default 
+ ***********************************************************************/
+void
+sigdfl_test()
+{
+  /*
+   * Try to set SIGKILL to default and check the return values.
+   */
+   errno=-4;
+
+   Tret=(long)signal(SIGKILL,SIG_DFL);
+   TEST_RETURN=Tret;
+   TEST_ERRNO=errno;
+
+
+    if ( (SIG_PF)TEST_RETURN == SIG_ERR  ) {
+	if ( STD_FUNCTIONAL_TEST ) {
+	    if ( TEST_ERRNO != EINVAL ) {
+	        sprintf(mesg,
+	            "signal(SIGKILL,SIG_DFL) ret:%d, errno:%d expected ret:-1, errno:%d",
+	            TEST_RETURN, TEST_ERRNO, EINVAL);
+	        tst_resm(TFAIL, mesg);
+	    }
+	    else {
+	        sprintf(mesg,
+	            "signal(SIGKILL,SIG_DFL) ret:%d, errno:%d as expected.",
+	            TEST_RETURN, TEST_ERRNO);
+	        tst_resm(TPASS, mesg);
+	    }
+	}
+	else
+	    Tst_count++;
+    }
+    else {
+	sprintf(mesg,
+	    "signal(SIGKILL,SIG_DFL) ret:%d, errno:%d expected ret:-1, errno:%d",
+	    TEST_RETURN, TEST_ERRNO, EINVAL);
+	tst_resm(TFAIL, mesg);
+    }
+
+}	/* End of sigdfl_test. */
+
+/***************************************************************
+ * setup() - performs all ONE TIME setup for this test.
+ ***************************************************************/
+void
+setup()
+{
+    /* capture signals */
+    tst_sig(FORK, DEF_HANDLER, cleanup);
+
+    /* make and change to a temporary directory */
+    tst_tmpdir();
+
+    /* Pause if that option was specified */
+    TEST_PAUSE;
+
+}       /* End setup() */
+
+/***************************************************************
+ * cleanup() - performs all ONE TIME cleanup for this test at
+ *              completion or premature exit.
+ ***************************************************************/
+void
+cleanup()
+{
+
+    /*
+     * print timing stats if that option was specified.
+     * print errno log if that option was specified.
+     */
+
+    TEST_CLEANUP;
+
+    /*
+     * remove the temporary directory and exit with
+     * return code appropriate for results 
+     */
+
+    tst_rmdir();
+
+    tst_exit();
+
+}       /* End cleanup() */
+
+/***********************************************************************
+ *  Signal handler routine that used by the parent to handler
+ *  a time out situation.  It will attempt to kill the child and
+ *  call cleanup.
+ ***********************************************************************/
+void
+p_timeout_handler()
+{
+    kill(Pid, SIGKILL);
+    cleanup();
+}
+
+/***********************************************************************
+ * Signal handler routine that used by the child to handle
+ * a time out situation.  It will set a global varaible and return
+ * if called.
+ ***********************************************************************/
+void
+c_timeout_handler()
+{
+    exit_val = TIMED_OUT;
+    return;
+}
+
+/***********************************************************************
+ * This signal handling routine will set a global variable and return
+ * if called.
+ ***********************************************************************/
+void
+catchsig()
+{
+   exit_val = SIG_CAUGHT;
+   return;
+}
+
+/***********************************************************************
+ * Update timing information
+ ***********************************************************************/
+void
+update_timings(atblock)
+struct tblock atblock;
+{
+    tblock.tb_max += atblock.tb_max;
+    tblock.tb_min += atblock.tb_min;
+    tblock.tb_total += atblock.tb_total;
+    tblock.tb_count += atblock.tb_count;
+}