Python os.fork1() Examples

The following are code examples for showing how to use os.fork1(). They are extracted from open source Python projects. You can vote up the examples you like or vote down the exmaples you don't like. You can also save this page to your account.

Example 1
Project: zippy   Author: securesystemslab   File: fork_wait.py    (license) View Source Project 5 votes vote down vote up
def test_wait(self):
        for i in range(NUM_THREADS):
            _thread.start_new(self.f, (i,))

        time.sleep(LONGSLEEP)

        a = sorted(self.alive.keys())
        self.assertEqual(a, list(range(NUM_THREADS)))

        prefork_lives = self.alive.copy()

        if sys.platform in ['unixware7']:
            cpid = os.fork1()
        else:
            cpid = os.fork()

        if cpid == 0:
            # Child
            time.sleep(LONGSLEEP)
            n = 0
            for key in self.alive:
                if self.alive[key] != prefork_lives[key]:
                    n += 1
            os._exit(n)
        else:
            # Parent
            self.wait_impl(cpid)
            # Tell threads to die
            self.stop = 1
            time.sleep(2*SHORTSLEEP) # Wait for threads to die 
Example 2
Project: oil   Author: oilshell   File: fork_wait.py    (license) View Source Project 5 votes vote down vote up
def test_wait(self):
        for i in range(NUM_THREADS):
            thread.start_new(self.f, (i,))

        time.sleep(LONGSLEEP)

        a = self.alive.keys()
        a.sort()
        self.assertEqual(a, range(NUM_THREADS))

        prefork_lives = self.alive.copy()

        if sys.platform in ['unixware7']:
            cpid = os.fork1()
        else:
            cpid = os.fork()

        if cpid == 0:
            # Child
            time.sleep(LONGSLEEP)
            n = 0
            for key in self.alive:
                if self.alive[key] != prefork_lives[key]:
                    n += 1
            os._exit(n)
        else:
            # Parent
            self.wait_impl(cpid)
            # Tell threads to die
            self.stop = 1
            time.sleep(2*SHORTSLEEP) # Wait for threads to die 
Example 3
Project: python2-tracer   Author: extremecoders-re   File: fork_wait.py    (license) View Source Project 5 votes vote down vote up
def test_wait(self):
        for i in range(NUM_THREADS):
            thread.start_new(self.f, (i,))

        time.sleep(LONGSLEEP)

        a = self.alive.keys()
        a.sort()
        self.assertEqual(a, range(NUM_THREADS))

        prefork_lives = self.alive.copy()

        if sys.platform in ['unixware7']:
            cpid = os.fork1()
        else:
            cpid = os.fork()

        if cpid == 0:
            # Child
            time.sleep(LONGSLEEP)
            n = 0
            for key in self.alive:
                if self.alive[key] != prefork_lives[key]:
                    n += 1
            os._exit(n)
        else:
            # Parent
            self.wait_impl(cpid)
            # Tell threads to die
            self.stop = 1
            time.sleep(2*SHORTSLEEP) # Wait for threads to die 
Example 4
Project: web_ctp   Author: molebot   File: fork_wait.py    (license) View Source Project 5 votes vote down vote up
def test_wait(self):
        for i in range(NUM_THREADS):
            _thread.start_new(self.f, (i,))

        time.sleep(LONGSLEEP)

        a = sorted(self.alive.keys())
        self.assertEqual(a, list(range(NUM_THREADS)))

        prefork_lives = self.alive.copy()

        if sys.platform in ['unixware7']:
            cpid = os.fork1()
        else:
            cpid = os.fork()

        if cpid == 0:
            # Child
            time.sleep(LONGSLEEP)
            n = 0
            for key in self.alive:
                if self.alive[key] != prefork_lives[key]:
                    n += 1
            os._exit(n)
        else:
            # Parent
            try:
                self.wait_impl(cpid)
            finally:
                # Tell threads to die
                self.stop = 1 
Example 5
Project: pefile.pypy   Author: cloudtracer   File: fork_wait.py    (license) View Source Project 5 votes vote down vote up
def test_wait(self):
        for i in range(NUM_THREADS):
            thread.start_new(self.f, (i,))

        time.sleep(LONGSLEEP)

        a = self.alive.keys()
        a.sort()
        self.assertEqual(a, range(NUM_THREADS))

        prefork_lives = self.alive.copy()

        if sys.platform in ['unixware7']:
            cpid = os.fork1()
        else:
            cpid = os.fork()

        if cpid == 0:
            # Child
            time.sleep(LONGSLEEP)
            n = 0
            for key in self.alive:
                if self.alive[key] != prefork_lives[key]:
                    n += 1
            os._exit(n)
        else:
            # Parent
            self.wait_impl(cpid)
            # Tell threads to die
            self.stop = 1
            time.sleep(2*SHORTSLEEP) # Wait for threads to die 
Example 6
Project: ouroboros   Author: pybee   File: fork_wait.py    (license) View Source Project 5 votes vote down vote up
def test_wait(self):
        for i in range(NUM_THREADS):
            _thread.start_new(self.f, (i,))

        time.sleep(LONGSLEEP)

        a = sorted(self.alive.keys())
        self.assertEqual(a, list(range(NUM_THREADS)))

        prefork_lives = self.alive.copy()

        if sys.platform in ['unixware7']:
            cpid = os.fork1()
        else:
            cpid = os.fork()

        if cpid == 0:
            # Child
            time.sleep(LONGSLEEP)
            n = 0
            for key in self.alive:
                if self.alive[key] != prefork_lives[key]:
                    n += 1
            os._exit(n)
        else:
            # Parent
            try:
                self.wait_impl(cpid)
            finally:
                # Tell threads to die
                self.stop = 1 
Example 7
Project: ndk-python   Author: gittor   File: fork_wait.py    (license) View Source Project 5 votes vote down vote up
def test_wait(self):
        for i in range(NUM_THREADS):
            thread.start_new(self.f, (i,))

        time.sleep(LONGSLEEP)

        a = self.alive.keys()
        a.sort()
        self.assertEqual(a, range(NUM_THREADS))

        prefork_lives = self.alive.copy()

        if sys.platform in ['unixware7']:
            cpid = os.fork1()
        else:
            cpid = os.fork()

        if cpid == 0:
            # Child
            time.sleep(LONGSLEEP)
            n = 0
            for key in self.alive:
                if self.alive[key] != prefork_lives[key]:
                    n += 1
            os._exit(n)
        else:
            # Parent
            self.wait_impl(cpid)
            # Tell threads to die
            self.stop = 1
            time.sleep(2*SHORTSLEEP) # Wait for threads to die 
Example 8
Project: kbe_server   Author: xiaohaoppy   File: fork_wait.py    (license) View Source Project 5 votes vote down vote up
def test_wait(self):
        for i in range(NUM_THREADS):
            _thread.start_new(self.f, (i,))

        time.sleep(LONGSLEEP)

        a = sorted(self.alive.keys())
        self.assertEqual(a, list(range(NUM_THREADS)))

        prefork_lives = self.alive.copy()

        if sys.platform in ['unixware7']:
            cpid = os.fork1()
        else:
            cpid = os.fork()

        if cpid == 0:
            # Child
            time.sleep(LONGSLEEP)
            n = 0
            for key in self.alive:
                if self.alive[key] != prefork_lives[key]:
                    n += 1
            os._exit(n)
        else:
            # Parent
            try:
                self.wait_impl(cpid)
            finally:
                # Tell threads to die
                self.stop = 1