diff options
Diffstat (limited to 'arch/um/os-Linux/skas/process.c')
| -rw-r--r-- | arch/um/os-Linux/skas/process.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index b959b2618b7f8e..120a21c5883f61 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -34,6 +34,7 @@ #include "mem.h" #include "uml-config.h" #include "process.h" +#include "longjmp.h" int is_skas_winch(int pid, int fd, void *data) { @@ -433,6 +434,7 @@ void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr, { unsigned long flags; sigjmp_buf switch_buf, fork_buf; + int enable; *switch_buf_ptr = &switch_buf; *fork_buf_ptr = &fork_buf; @@ -447,7 +449,7 @@ void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr, */ flags = get_signals(); block_signals(); - if(sigsetjmp(fork_buf, 1) == 0) + if(UML_SIGSETJMP(&fork_buf, enable) == 0) new_thread_proc(stack, handler); remove_sigstack(); @@ -458,20 +460,22 @@ void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr, void thread_wait(void *sw, void *fb) { sigjmp_buf buf, **switch_buf = sw, *fork_buf; + int enable; *switch_buf = &buf; fork_buf = fb; - if(sigsetjmp(buf, 1) == 0) + if(UML_SIGSETJMP(&buf, enable) == 0) siglongjmp(*fork_buf, INIT_JMP_REMOVE_SIGSTACK); } void switch_threads(void *me, void *next) { sigjmp_buf my_buf, **me_ptr = me, *next_buf = next; + int enable; *me_ptr = &my_buf; - if(sigsetjmp(my_buf, 1) == 0) - siglongjmp(*next_buf, 1); + if(UML_SIGSETJMP(&my_buf, enable) == 0) + UML_SIGLONGJMP(next_buf, 1); } static sigjmp_buf initial_jmpbuf; @@ -484,14 +488,14 @@ static sigjmp_buf *cb_back; int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr) { sigjmp_buf **switch_buf = switch_buf_ptr; - int n; + int n, enable; set_handler(SIGWINCH, (__sighandler_t) sig_handler, SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGALRM, SIGVTALRM, -1); *fork_buf_ptr = &initial_jmpbuf; - n = sigsetjmp(initial_jmpbuf, 1); + n = UML_SIGSETJMP(&initial_jmpbuf, enable); switch(n){ case INIT_JMP_NEW_THREAD: new_thread_proc((void *) stack, new_thread_handler); @@ -501,7 +505,7 @@ int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr) break; case INIT_JMP_CALLBACK: (*cb_proc)(cb_arg); - siglongjmp(*cb_back, 1); + UML_SIGLONGJMP(cb_back, 1); break; case INIT_JMP_HALT: kmalloc_ok = 0; @@ -512,20 +516,21 @@ int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr) default: panic("Bad sigsetjmp return in start_idle_thread - %d\n", n); } - siglongjmp(**switch_buf, 1); + UML_SIGLONGJMP(*switch_buf, 1); } void initial_thread_cb_skas(void (*proc)(void *), void *arg) { sigjmp_buf here; + int enable; cb_proc = proc; cb_arg = arg; cb_back = &here; block_signals(); - if(sigsetjmp(here, 1) == 0) - siglongjmp(initial_jmpbuf, INIT_JMP_CALLBACK); + if(UML_SIGSETJMP(&here, enable) == 0) + UML_SIGLONGJMP(&initial_jmpbuf, INIT_JMP_CALLBACK); unblock_signals(); cb_proc = NULL; @@ -536,13 +541,13 @@ void initial_thread_cb_skas(void (*proc)(void *), void *arg) void halt_skas(void) { block_signals(); - siglongjmp(initial_jmpbuf, INIT_JMP_HALT); + UML_SIGLONGJMP(&initial_jmpbuf, INIT_JMP_HALT); } void reboot_skas(void) { block_signals(); - siglongjmp(initial_jmpbuf, INIT_JMP_REBOOT); + UML_SIGLONGJMP(&initial_jmpbuf, INIT_JMP_REBOOT); } void switch_mm_skas(struct mm_id *mm_idp) |