diff options
Diffstat (limited to 'src/afb-api-v3.c')
-rw-r--r-- | src/afb-api-v3.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/src/afb-api-v3.c b/src/afb-api-v3.c index 8c755f94..39f627a9 100644 --- a/src/afb-api-v3.c +++ b/src/afb-api-v3.c @@ -35,6 +35,7 @@ #include "afb-export.h" #include "afb-xreq.h" #include "verbose.h" +#include "sig-monitor.h" /* * Description of a binding @@ -342,12 +343,40 @@ int afb_api_v3_set_binding_fields(const struct afb_binding_v3 *desc, struct afb_ return rc; } +struct safe_preinit_data +{ + int (*preinit)(struct afb_api_x3 *); + struct afb_api_x3 *api; + int result; +}; + +static void safe_preinit(int sig, void *closure) +{ + struct safe_preinit_data *spd = closure; + if (!sig) + spd->result = spd->preinit(spd->api); + else { + spd->result = -1; + errno = EFAULT; + } +} + +int afb_api_v3_safe_preinit(struct afb_api_x3 *api, int (*preinit)(struct afb_api_x3 *)) +{ + struct safe_preinit_data spd; + + spd.preinit = preinit; + spd.api = api; + sig_monitor(60, safe_preinit, &spd); + return spd.result; +} + static int init_binding(void *closure, struct afb_api_x3 *api) { const struct afb_binding_v3 *desc = closure; int rc = afb_api_v3_set_binding_fields(desc, api); if (!rc && desc->preinit) - rc = desc->preinit(api); + rc = afb_api_v3_safe_preinit(api, desc->preinit); return rc; } |