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sigaction.2: Add siginfo_t fields for SECCOMP_RET_TRAP 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2014-12-30 09:26:12 +01:00
parent 41bf4e32e0
commit bcd0ba54f0
1 changed files with 42 additions and 22 deletions
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64
man2/sigaction.2
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@ -270,32 +270,39 @@ is a struct with the following fields:
.in +4n
.nf
siginfo_t {
int si_signo; /* Signal number */
int si_errno; /* An errno value */
int si_code; /* Signal code */
int si_trapno; /* Trap number that caused
hardware-generated signal
(unused on most architectures) */
int si_signo; /* Signal number */
int si_errno; /* An errno value */
int si_code; /* Signal code */
int si_trapno; /* Trap number that caused
hardware-generated signal
(unused on most architectures) */
.\" FIXME
.\" The siginfo_t 'si_trapno' field seems to be used only on SPARC and Alpha;
.\" this page could use a little more detail on its purpose there.
pid_t si_pid; /* Sending process ID */
uid_t si_uid; /* Real user ID of sending process */
int si_status; /* Exit value or signal */
clock_t si_utime; /* User time consumed */
clock_t si_stime; /* System time consumed */
sigval_t si_value; /* Signal value */
int si_int; /* POSIX.1b signal */
void *si_ptr; /* POSIX.1b signal */
int si_overrun; /* Timer overrun count; POSIX.1b timers */
int si_timerid; /* Timer ID; POSIX.1b timers */
pid_t si_pid; /* Sending process ID */
uid_t si_uid; /* Real user ID of sending process */
int si_status; /* Exit value or signal */
clock_t si_utime; /* User time consumed */
clock_t si_stime; /* System time consumed */
sigval_t si_value; /* Signal value */
int si_int; /* POSIX.1b signal */
void *si_ptr; /* POSIX.1b signal */
int si_overrun; /* Timer overrun count;
POSIX.1b timers */
int si_timerid; /* Timer ID; POSIX.1b timers */
.\" In the kernel: si_tid
void *si_addr; /* Memory location which caused fault */
long si_band; /* Band event (was \fIint\fP in
glibc 2.3.2 and earlier) */
int si_fd; /* File descriptor */
short si_addr_lsb; /* Least significant bit of address
(since Linux 2.6.32) */
void *si_addr; /* Memory location which caused fault */
long si_band; /* Band event (was \fIint\fP in
glibc 2.3.2 and earlier) */
int si_fd; /* File descriptor */
short si_addr_lsb; /* Least significant bit of address
(since Linux 2.6.32) */
void *si_call_addr; /* Address of system call instruction
(since Linux 3.5) */
int si_syscall; /* Number of attempted system call
(since Linux 3.5) */
unsigned int si_arch; /* Architecture of attempted system call
(since Linux 3.5) */
}
.fi
.in
@ -449,6 +456,19 @@ field by
The
.I si_fd
field indicates the file descriptor for which the I/O event occurred.
.IP *
The
.B SIGSYS
signal that is (since Linux 3.5)
.\" commit a0727e8ce513fe6890416da960181ceb10fbfae6
generated when a seccomp filter returns
.B SECCOMP_RET_TRAP
fills in
.IR si_call_addr ,
.IR si_syscall ,
.IR si_arch ,
and various other fields as described in
.BR seccomp (2).
.PP
.I si_code
is a value (not a bit mask)