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Implement subscription with a signal

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Use a signal for subscription events
Work on handling OOM errors and other errors.
This commit is contained in:
Wim Taymans 2016-12-22 16:50:01 +01:00
parent 1b66bbcffd
commit 85d375e4bb
32 changed files with 531 additions and 176 deletions
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10
pinos/client/mem.c
View file

@ -91,14 +91,14 @@ pinos_memblock_alloc (PinosMemblockFlags flags,
mem->fd = memfd_create ("pinos-memfd", MFD_CLOEXEC | MFD_ALLOW_SEALING);
if (mem->fd == -1) {
pinos_log_error ("Failed to create memfd: %s\n", strerror (errno));
return SPA_RESULT_ERROR;
return SPA_RESULT_ERRNO;
}
#else
char filename[] = "/dev/shm/spa-tmpfile.XXXXXX";
mem->fd = mkostemp (filename, O_CLOEXEC);
if (mem->fd == -1) {
pinos_log_error ("Failed to create temporary file: %s\n", strerror (errno));
return SPA_RESULT_ERROR;
return SPA_RESULT_ERRNO;
}
unlink (filename);
#endif
@ -106,7 +106,7 @@ pinos_memblock_alloc (PinosMemblockFlags flags,
if (ftruncate (mem->fd, size) < 0) {
pinos_log_warn ("Failed to truncate temporary file: %s", strerror (errno));
close (mem->fd);
return SPA_RESULT_ERROR;
return SPA_RESULT_ERRNO;
}
#ifdef USE_MEMFD
if (flags & PINOS_MEMBLOCK_FLAG_SEAL) {
@ -125,11 +125,15 @@ pinos_memblock_alloc (PinosMemblockFlags flags,
prot |= PROT_WRITE;
mem->ptr = mmap (NULL, size, prot, MAP_SHARED, mem->fd, 0);
if (mem->ptr == MAP_FAILED)
return SPA_RESULT_NO_MEMORY;
} else {
mem->ptr = NULL;
}
} else {
mem->ptr = malloc (size);
if (mem->ptr == NULL)
return SPA_RESULT_NO_MEMORY;
mem->fd = -1;
}
return SPA_RESULT_OK;