From 29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:21:29 +0200
Subject: Adding upstream version 1:0.1.9998svn3589+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/lib/test-eintr-bug-2.c | 154 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 src/lib/test-eintr-bug-2.c

(limited to 'src/lib/test-eintr-bug-2.c')

diff --git a/src/lib/test-eintr-bug-2.c b/src/lib/test-eintr-bug-2.c
new file mode 100644
index 0000000..f945d2c
--- /dev/null
+++ b/src/lib/test-eintr-bug-2.c
@@ -0,0 +1,154 @@
+
+
+/*******************************************************************************
+*   Header Files                                                               *
+*******************************************************************************/
+#define _BSD_SOURCE
+#define _GNU_SOURCE
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <time.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <pthread.h>
+#include <signal.h>
+#include <unistd.h>
+
+
+/*******************************************************************************
+*   Global Variables                                                           *
+*******************************************************************************/
+/** The number of signals. */
+static volatile long    g_cSigs = 0;
+/** Number of signals received on threads other than the main one. */
+static volatile long    g_cSigsOther = 0;
+/** Whether to shutdown or not. */
+static volatile int     g_fShutdown = 0;
+/** The handle of the main thread. */
+static pthread_t        g_hMainThread;
+
+
+static void SigHandler(int iSig)
+{
+    g_cSigs++;
+    if (pthread_self() != g_hMainThread)
+        g_cSigsOther++;
+
+    (void)iSig;
+}
+
+
+static void NanoSleep(unsigned long cNanoSecs)
+{
+    struct timespec Ts;
+    Ts.tv_sec  = 0;
+    Ts.tv_nsec = cNanoSecs;
+    nanosleep(&Ts, NULL);
+}
+
+
+static void *ThreadProc(void *pvIgnored)
+{
+    int volatile i = 0;
+    while (!g_fShutdown)
+    {
+//        NanoSleep(850);
+        if (g_fShutdown)
+            break;
+
+        pthread_kill(g_hMainThread, SIGALRM);
+        for (i = 6666; i > 0; i--) 
+            /* nothing */;
+    }
+    return NULL;
+}
+
+
+int main(int argc, char **argv)
+{
+    void (*rcSig)(int);
+    pthread_t hThread;
+    char szName[1024];
+    int i;
+    int rc;
+
+    /*
+     * Set up the signal handlers.
+     */
+    rcSig = bsd_signal(SIGALRM, SigHandler);
+    if (rcSig != SIG_ERR)
+        rcSig = bsd_signal(SIGCHLD, SigHandler);
+    if (rcSig == SIG_ERR)
+    {
+        fprintf(stderr, "bsd_signal failed: %s\n", strerror(errno));
+        return 1;
+    }
+    if (argc == 2) /* testing... */
+    {
+        siginterrupt(SIGALRM, 1);
+        siginterrupt(SIGCHLD, 1);
+    }
+
+    /*
+     * Kick off a thread that will signal us like there was no tomorrow.
+     */
+    g_hMainThread = pthread_self();
+    rc = pthread_create(&hThread, NULL, ThreadProc, NULL);
+    if (rc != 0)
+    {
+        fprintf(stderr, "pthread_create failed: %s\n", strerror(rc));
+        return 1;
+    }
+
+    /*
+     * Do path related stuff.
+     */
+    snprintf(szName, sizeof(szName), "%s-test2", argv[0]);
+    for (i = 0; i < 100*1000*1000; i++)
+    {
+        struct stat St;
+        int fd;
+
+        rc = stat(argv[0], &St);
+        if (rc == 0 || errno != EINTR)
+            rc = stat(szName, &St);
+        if (errno == EINTR && rc != 0)
+        {
+            printf("iteration %d: stat: %u\n", i, errno);
+            break;
+        }
+        
+        fd = open(szName, O_CREAT | O_RDWR, 0666);
+        if (errno == EINTR && fd < 0)
+        {
+            printf("iteration %d: open: %u\n", i, errno);
+            break;
+        }
+        close(fd);
+        rc = unlink(szName);
+        if (errno == EINTR && rc != 0)
+        {
+            printf("iteration %d: unlink: %u\n", i, errno);
+            break;
+        }
+        
+        /* Show progress info */
+        if ((i % 100000) == 0)
+        {
+            printf(".");
+            if ((i % 1000000) == 0)
+                printf("[%d/%ld/%ld]\n", i, g_cSigs, g_cSigsOther);
+            fflush(stdout);
+        }
+    }
+
+    g_fShutdown = 1;
+    if (rc)
+        printf("No EINTR in %d iterations - system is working nicely!\n", i);
+    NanoSleep(10000000);
+
+    return rc ? 1 : 0;
+}
+
-- 
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