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pass ardour's pid to the device reservation script.

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terminate a-r-d when ardour crashes or exits unexpectedly.
This commit is contained in:
Robin Gareus
2014-06-05 19:49:23 +02:00
parent 2aa32ed349
commit 748c137461
1 changed files with 6 additions and 3 deletions
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9
libs/backends/alsa/alsa_audiobackend.cc
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@@ -138,11 +138,14 @@ AlsaAudioBackend::acquire_device(const char* device_name)
{
char **argp;
char tmp[128];
argp=(char**) calloc(3,sizeof(char*));
argp=(char**) calloc(5,sizeof(char*));
argp[0] = strdup(request_device_exe.c_str());
argp[1] = strdup("-P");
snprintf(tmp, sizeof(tmp), "%d", getpid());
argp[2] = strdup(tmp);
snprintf(tmp, sizeof(tmp), "Audio%d", device_number);
argp[1] = strdup(tmp);
argp[2] = 0;
argp[3] = strdup(tmp);
argp[4] = 0;
_device_reservation = new ARDOUR::SystemExec(request_device_exe, argp);
_device_reservation->ReadStdout.connect_same_thread (_reservation_connection, boost::bind (&AlsaAudioBackend::reservation_stdout, this, _1 ,_2));