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Allow custom timeout for database locking.

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This commit is contained in:
Todd Gamblin 2015-09-17 16:09:59 -07:00
parent e17ad6a684
commit fb73979345
1 changed files with 6 additions and 4 deletions
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10
lib/spack/spack/database.py
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@ -44,6 +44,8 @@
# DB version. This is stuck in the DB file to track changes in format. # DB version. This is stuck in the DB file to track changes in format.
_db_version = Version('0.9') _db_version = Version('0.9')
# Default timeout for spack database locks is 5 min.
_db_lock_timeout = 300
def _autospec(function): def _autospec(function):
"""Decorator that automatically converts the argument of a single-arg """Decorator that automatically converts the argument of a single-arg
@ -100,14 +102,14 @@ def __init__(self, root):
self._last_write_time = 0 self._last_write_time = 0
def write_lock(self): def write_lock(self, timeout=_db_lock_timeout):
"""Get a write lock context for use in a `with` block.""" """Get a write lock context for use in a `with` block."""
return self.lock.write_lock() return self.lock.write_lock(timeout)
def read_lock(self): def read_lock(self, timeout=_db_lock_timeout):
"""Get a read lock context for use in a `with` block.""" """Get a read lock context for use in a `with` block."""
return self.lock.read_lock() return self.lock.read_lock(timeout)
def _write_to_yaml(self, stream): def _write_to_yaml(self, stream):