From b6a6c2f241d5f35557b30045c243cc94c9d6cd8e Mon Sep 17 00:00:00 2001 From: Patrick Mahoney Date: Sun, 4 Mar 2012 10:29:43 -0600 Subject: [PATCH] Rdoc formatting. --- README.rdoc | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/README.rdoc b/README.rdoc index 0b39ee0..572a484 100644 --- a/README.rdoc +++ b/README.rdoc @@ -8,7 +8,7 @@ Mac. Atop these semaphores are implemented ProcessShared::Semaphore, ProcessShared::Mutex. POSIX shared memory is used to implement ProcessShared::SharedMemory. -On Linux, POSIX semaphores support +sem_timedwait()+ which can wait on +On Linux, POSIX semaphores support sem_timedwait() which can wait on a semaphore but stop waiting after a timeout. Mac OS X's implementation of POSIX semaphores does not support @@ -16,9 +16,9 @@ timeouts. But, the Mach layer in Mac OS X has its own semaphores that do support timeouts. Thus, process_shared implements a moderate subset of the Mach API, which is quite a bit different from POSIX. Namely, semaphores created in one process are not available in child -processes created via +fork()+. Mach does provide the means to copy +processes created via fork(). Mach does provide the means to copy capabilities between tasks (Mach equivalent to processes). -process_shared overrides Ruby's +fork+ methods so that semaphores are +process_shared overrides Ruby's fork methods so that semaphores are copied from parent to child to emulate the POSIX behavior. This is an incomplete work in progress.