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PTRACE_PEEKSIGINFO is used for received pending signals, then all signal are sent back and saved in a image. v2: rework according with the new kernel interface v3: rework according with the newrest kernel interface v4: fix error handling Signed-off-by: Andrey Vagin <avagin@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
#ifndef __CR_SEIZE_H__
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#define __CR_SEIZE_H__
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#include <linux/types.h>
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#include <sys/ptrace.h>
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/* some constants for ptrace */
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#ifndef PTRACE_SEIZE
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# define PTRACE_SEIZE 0x4206
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#endif
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#ifndef PTRACE_INTERRUPT
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# define PTRACE_INTERRUPT 0x4207
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#endif
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#define PTRACE_LISTEN 0x4208
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#ifndef PTRACE_PEEKSIGINFO
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#define PTRACE_PEEKSIGINFO 0x4209
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struct ptrace_peeksiginfo_args {
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__u64 off; /* from which siginfo to start */
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__u32 flags;
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__u32 nr; /* how may siginfos to take */
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};
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/* Read signals from a shared (process wide) queue */
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#define PTRACE_PEEKSIGINFO_SHARED (1 << 0)
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#endif
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#define PTRACE_SEIZE_DEVEL 0x80000000
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#define PTRACE_EVENT_FORK 1
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#define PTRACE_EVENT_VFORK 2
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#define PTRACE_EVENT_CLONE 3
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#define PTRACE_EVENT_EXEC 4
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#define PTRACE_EVENT_VFORK_DONE 5
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#define PTRACE_EVENT_EXIT 6
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#define PTRACE_EVENT_STOP 128
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#define PTRACE_O_TRACESYSGOOD 0x00000001
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#define PTRACE_O_TRACEFORK 0x00000002
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#define PTRACE_O_TRACEVFORK 0x00000004
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#define PTRACE_O_TRACECLONE 0x00000008
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#define PTRACE_O_TRACEEXEC 0x00000010
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#define PTRACE_O_TRACEVFORKDONE 0x00000020
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#define PTRACE_O_TRACEEXIT 0x00000040
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#define SI_EVENT(_si_code) (((_si_code) & 0xFFFF) >> 8)
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extern int seize_task(pid_t pid, pid_t ppid, pid_t *pgid, pid_t *sid);
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extern int unseize_task(pid_t pid, int state);
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extern int ptrace_peek_area(pid_t pid, void *dst, void *addr, long bytes);
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extern int ptrace_poke_area(pid_t pid, void *src, void *addr, long bytes);
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extern int ptrace_swap_area(pid_t pid, void *dst, void *src, long bytes);
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#endif /* __CR_SEIZE_H__ */
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