rpm  4.14.0
rpmsq.h
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1 #ifndef H_RPMSQ
2 #define H_RPMSQ
3 
9 #include <rpm/rpmsw.h>
10 #include <signal.h>
11 
12 #ifdef __cplusplus
13 extern "C" {
14 #endif
15 
22 typedef void (*rpmsqAction_t) (int signum, siginfo_t * info, void * context);
23 
27 #define RPMSQ_DFL ((rpmsqAction_t)0)
28 #define RPMSQ_IGN ((rpmsqAction_t)1)
29 #define RPMSQ_ERR ((rpmsqAction_t)-1)
30 
37 int rpmsqIsCaught(int signum);
38 
44 int rpmsqActivate(int state);
45 
52 rpmsqAction_t rpmsqSetAction(int signum, rpmsqAction_t handler);
53 
61 int rpmsqBlock(int op);
62 
67 int rpmsqPoll(void);
68 
69 void rpmsqSetInterruptSafety(int on);
70 
71 #ifdef __cplusplus
72 }
73 #endif
74 
75 #endif /* H_RPMSQ */
void(* rpmsqAction_t)(int signum, siginfo_t *info, void *context)
Default signal handler prototype.
Definition: rpmsq.h:22
int rpmsqIsCaught(int signum)
Test if given signal has been caught (while signals blocked).
int rpmsqPoll(void)
Poll for caught signals, executing their handlers.
rpmsqAction_t rpmsqSetAction(int signum, rpmsqAction_t handler)
Set or delete a signal handler for a signal.
int rpmsqActivate(int state)
Activate (or disable) the signal queue.
void rpmsqSetInterruptSafety(int on)
int rpmsqBlock(int op)
Block or unblock (almost) all signals.