X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=ipc.c;h=b6c525ab07311a14dbfaefe637781e163c24dba5;hp=49d2d96515dbf49bc5a9f7ace0786d5f68acc936;hb=8794e31a8b492fa1cb41d5173e79c80ebbe5e01b;hpb=e6a95a153f01506e63f7c3eb190c215de60da307 diff --git a/ipc.c b/ipc.c index 49d2d965..b6c525ab 100644 --- a/ipc.c +++ b/ipc.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Andre Noll + * Copyright (C) 2006-2007 Andre Noll * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -31,7 +31,7 @@ /** * define a new mutex * - * \return the identifier for the new mutex on success, -E_SEM_GET + * \return the identifier for the new mutex on success, \a -E_SEM_GET * on errors. * * \sa semget(2) @@ -47,7 +47,7 @@ int mutex_new(void) * * \param id the identifier of the mutex to be destroyed * - * \returns Positive on success, -E_SEM_REMOVE on errors. + * \return Positive on success, \a -E_SEM_REMOVE on errors. * * \sa semctl(2) */ @@ -71,6 +71,8 @@ static void para_semop(int id, struct sembuf *sops, int num) /** * lock the given mutex * + * \param id of the shared memory area to lock + * * This function either succeeds or aborts. * * \sa semop(2), struct misc_meta_data @@ -115,7 +117,11 @@ void mutex_unlock(int id) /** * create a new shared memory area of given size - * + * + * \param size the size of the shared memory area to create + * + * \return The id of the shared memory areay on success, \a -E_SHM_GET on errors. + * * \sa shmget(2) */ int shm_new(size_t size) @@ -126,8 +132,14 @@ int shm_new(size_t size) /** * destroy the given shared memory area + * + * \param id the shared memory id + * + * \return The return value of the underlying shmctl() call on success, + * \a -E_SHM_DESTROY on errors. + * * \sa shmctl(2) - **/ + */ int shm_destroy(int id) { struct shmid_ds shm_desc; @@ -140,9 +152,9 @@ int shm_destroy(int id) * * \param id the identifier of the shared memory segment to attach * \param mode either ATTACH_RO (read only) or ATTACH_RW (read/write) - * \param result points to the attached arer which to the + * \param result points to the attached area just attached * - * \returns positive on success, -E_SHM_ATTACH on errrors. + * \return positive on success, \a -E_SHM_ATTACH on errors. * * \sa shmat(2) */ @@ -161,7 +173,7 @@ int shm_attach(int id, enum shm_attach_mode mode, void **result) * * \param addr the address of the attached segment * - * \returns positive on success, -E_SHM_DETACH on errors. + * \return positive on success, \a -E_SHM_DETACH on errors. * * \sa shmdt(2) */