diff options
Diffstat (limited to 'src/select.c')
| -rw-r--r-- | src/select.c | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/src/select.c b/src/select.c index 7ce135f5..394a59dd 100644 --- a/src/select.c +++ b/src/select.c @@ -36,6 +36,8 @@ #include <osmocom/core/linuxlist.h> #include <osmocom/core/timer.h> #include <osmocom/core/logging.h> +#include <osmocom/core/talloc.h> +#include <osmocom/core/utils.h> #include "../config.h" @@ -233,11 +235,7 @@ restart: return work; } -/*! select main loop integration - * \param[in] polling should we pollonly (1) or block on select (0) - * \returns 0 if no fd handled; 1 if fd handled; negative in case of error - */ -int osmo_select_main(int polling) +static int _osmo_select_main(int polling) { fd_set readset, writeset, exceptset; int rc; @@ -259,10 +257,42 @@ int osmo_select_main(int polling) /* fire timers */ osmo_timers_update(); + OSMO_ASSERT(osmo_ctx->select); + /* call registered callback functions */ return osmo_fd_disp_fds(&readset, &writeset, &exceptset); } +/*! select main loop integration + * \param[in] polling should we pollonly (1) or block on select (0) + * \returns 0 if no fd handled; 1 if fd handled; negative in case of error + */ +int osmo_select_main(int polling) +{ + int rc = _osmo_select_main(polling); +#ifndef EMBEDDED + if (talloc_total_size(osmo_ctx->select) != 0) { + osmo_panic("You cannot use the 'select' volatile " + "context if you don't use osmo_select_main_ctx()!\n"); + } +#endif + return rc; +} + +#ifndef EMBEDDED +/*! select main loop integration with temporary select-dispatch talloc context + * \param[in] polling should we pollonly (1) or block on select (0) + * \returns 0 if no fd handled; 1 if fd handled; negative in case of error + */ +int osmo_select_main_ctx(int polling) +{ + int rc = _osmo_select_main(polling); + /* free all the children of the volatile 'select' scope context */ + talloc_free_children(osmo_ctx->select); + return rc; +} +#endif + /*! find an osmo_fd based on the integer fd * \param[in] fd file descriptor to use as search key * \returns \ref osmo_fd for \ref fd; NULL in case it doesn't exist */ |