diff options
Diffstat (limited to 'gpgme/rungpg.c')
-rw-r--r-- | gpgme/rungpg.c | 96 |
1 files changed, 80 insertions, 16 deletions
diff --git a/gpgme/rungpg.c b/gpgme/rungpg.c index c6c6834e..9b9e8ee8 100644 --- a/gpgme/rungpg.c +++ b/gpgme/rungpg.c @@ -37,6 +37,7 @@ #include "rungpg.h" #include "context.h" /*temp hack until we have GpmeData methods to do I/O */ #include "io.h" +#include "sema.h" #include "status-table.h" @@ -93,8 +94,6 @@ struct gpg_object_s { int pid; /* we can't use pid_t because we don't use it in Windoze */ int running; - int exit_status; - int exit_signal; /* stuff needed for pipemode */ struct { @@ -117,7 +116,17 @@ struct gpg_object_s { } cmd; }; -static void kill_gpg ( GpgObject gpg ); +struct reap_s { + struct reap_s *next; + pid_t pid; + time_t entered; + int term_send; +}; + +static struct reap_s *reap_list; +DEFINE_STATIC_LOCK (reap_list_lock); + + static void free_argv ( char **argv ); static void free_fd_data_map ( struct fd_data_map_s *fd_data_map ); @@ -217,25 +226,80 @@ _gpgme_gpg_release ( GpgObject gpg ) _gpgme_io_close (gpg->colon.fd[1]); #endif free_fd_data_map (gpg->fd_data_map); - kill_gpg (gpg); /* fixme: should be done asyncronously */ - xfree (gpg); + if (gpg->running) { + int pid = gpg->pid; + struct reap_s *r; + + /* resuse the memory, so that we don't need to allocate another + * mem block and have to handle errors */ + assert (sizeof *r < sizeof *gpg ); + r = (void*)gpg; + memset (r, 0, sizeof *r); + r->pid = pid; + r->entered = time (NULL); + LOCK(reap_list_lock); + r->next = reap_list; + reap_list = r; + UNLOCK(reap_list_lock); + } + else + xfree (gpg); } static void -kill_gpg ( GpgObject gpg ) +do_reaping (void) { - #if 0 - if ( gpg->running ) { - /* still running? Must send a killer */ - kill ( gpg->pid, SIGTERM); - sleep (2); - if ( !waitpid (gpg->pid, NULL, WNOHANG) ) { - /* pay the murderer better and then forget about it */ - kill (gpg->pid, SIGKILL); + struct reap_s *r, *rlast; + static time_t last_check; + time_t cur_time = time (NULL); + + /* a race does not matter here */ + if (!last_check) + last_check = time(NULL); + + if (last_check >= cur_time) + return; /* we check only every second */ + + /* fixme: it would be nice if to have a TRYLOCK here */ + LOCK (reap_list_lock); + for (r=reap_list,rlast=NULL; r ; rlast=r, r=r?r->next:NULL) { + int dummy1, dummy2; + + if ( _gpgme_io_waitpid (r->pid, 0, &dummy1, &dummy2) ) { + /* process has terminated - remove it from the queue */ + void *p = r; + if (!rlast) { + reap_list = r->next; + r = reap_list; + } + else { + rlast->next = r->next; + r = rlast; + } + xfree (p); + } + else if ( !r->term_send ) { + if( r->entered+1 >= cur_time ) { + _gpgme_io_kill ( r->pid, 0); + r->term_send = 1; + r->entered = cur_time; + } + } + else { + /* give it 5 second before we are going to send the killer */ + if ( r->entered+5 >= cur_time ) { + _gpgme_io_kill (r->pid, 1); + r->entered = cur_time; /* just in case we have to repat it */ + } } - gpg->running = 0; } - #endif + UNLOCK (reap_list_lock); +} + +void +_gpgme_gpg_housecleaning () +{ + do_reaping (); } void |