1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate /* 31*7c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 32*7c478bd9Sstevel@tonic-gate * The Regents of the University of California 33*7c478bd9Sstevel@tonic-gate * All Rights Reserved 34*7c478bd9Sstevel@tonic-gate * 35*7c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 36*7c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 37*7c478bd9Sstevel@tonic-gate * contributors. 38*7c478bd9Sstevel@tonic-gate */ 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate #ifndef _SYS_SIGNAL_H 41*7c478bd9Sstevel@tonic-gate #define _SYS_SIGNAL_H 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate #include <sys/feature_tests.h> 46*7c478bd9Sstevel@tonic-gate #include <sys/iso/signal_iso.h> 47*7c478bd9Sstevel@tonic-gate 48*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 49*7c478bd9Sstevel@tonic-gate extern "C" { 50*7c478bd9Sstevel@tonic-gate #endif 51*7c478bd9Sstevel@tonic-gate 52*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || defined(_KERNEL) || !defined(_STRICT_STDC) || \ 53*7c478bd9Sstevel@tonic-gate defined(__XOPEN_OR_POSIX) 54*7c478bd9Sstevel@tonic-gate 55*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || defined(_KERNEL) || \ 56*7c478bd9Sstevel@tonic-gate (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 57*7c478bd9Sstevel@tonic-gate (_POSIX_C_SOURCE > 2) || defined(_XPG4_2) 58*7c478bd9Sstevel@tonic-gate /* 59*7c478bd9Sstevel@tonic-gate * We need <sys/siginfo.h> for the declaration of siginfo_t. 60*7c478bd9Sstevel@tonic-gate */ 61*7c478bd9Sstevel@tonic-gate #include <sys/siginfo.h> 62*7c478bd9Sstevel@tonic-gate #endif 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate /* Duplicated in <sys/ucontext.h> as a result of XPG4v2 requirements */ 65*7c478bd9Sstevel@tonic-gate #ifndef _SIGSET_T 66*7c478bd9Sstevel@tonic-gate #define _SIGSET_T 67*7c478bd9Sstevel@tonic-gate typedef struct { /* signal set type */ 68*7c478bd9Sstevel@tonic-gate unsigned int __sigbits[4]; 69*7c478bd9Sstevel@tonic-gate } sigset_t; 70*7c478bd9Sstevel@tonic-gate 71*7c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 72*7c478bd9Sstevel@tonic-gate 73*7c478bd9Sstevel@tonic-gate /* Kernel view of the ILP32 user sigset_t structure */ 74*7c478bd9Sstevel@tonic-gate 75*7c478bd9Sstevel@tonic-gate typedef struct { 76*7c478bd9Sstevel@tonic-gate uint32_t __sigbits[4]; 77*7c478bd9Sstevel@tonic-gate } sigset32_t; 78*7c478bd9Sstevel@tonic-gate 79*7c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 80*7c478bd9Sstevel@tonic-gate 81*7c478bd9Sstevel@tonic-gate #endif /* _SIGSET_T */ 82*7c478bd9Sstevel@tonic-gate 83*7c478bd9Sstevel@tonic-gate typedef struct { 84*7c478bd9Sstevel@tonic-gate unsigned int __sigbits[2]; 85*7c478bd9Sstevel@tonic-gate } k_sigset_t; 86*7c478bd9Sstevel@tonic-gate 87*7c478bd9Sstevel@tonic-gate /* 88*7c478bd9Sstevel@tonic-gate * The signal handler routine can have either one or three arguments. 89*7c478bd9Sstevel@tonic-gate * Existing C code has used either form so not specifing the arguments 90*7c478bd9Sstevel@tonic-gate * neatly finesses the problem. C++ doesn't accept this. To C++ 91*7c478bd9Sstevel@tonic-gate * "(*sa_handler)()" indicates a routine with no arguments (ANSI C would 92*7c478bd9Sstevel@tonic-gate * specify this as "(*sa_handler)(void)"). One or the other form must be 93*7c478bd9Sstevel@tonic-gate * used for C++ and the only logical choice is "(*sa_handler)(int)" to allow 94*7c478bd9Sstevel@tonic-gate * the SIG_* defines to work. "(*sa_sigaction)(int, siginfo_t *, void *)" 95*7c478bd9Sstevel@tonic-gate * can be used for the three argument form. 96*7c478bd9Sstevel@tonic-gate */ 97*7c478bd9Sstevel@tonic-gate 98*7c478bd9Sstevel@tonic-gate /* 99*7c478bd9Sstevel@tonic-gate * Note: storage overlap by sa_handler and sa_sigaction 100*7c478bd9Sstevel@tonic-gate */ 101*7c478bd9Sstevel@tonic-gate struct sigaction { 102*7c478bd9Sstevel@tonic-gate int sa_flags; 103*7c478bd9Sstevel@tonic-gate union { 104*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 105*7c478bd9Sstevel@tonic-gate void (*_handler)(int); 106*7c478bd9Sstevel@tonic-gate #else 107*7c478bd9Sstevel@tonic-gate void (*_handler)(); 108*7c478bd9Sstevel@tonic-gate #endif 109*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || defined(_KERNEL) || \ 110*7c478bd9Sstevel@tonic-gate (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 111*7c478bd9Sstevel@tonic-gate (_POSIX_C_SOURCE > 2) || defined(_XPG4_2) 112*7c478bd9Sstevel@tonic-gate void (*_sigaction)(int, siginfo_t *, void *); 113*7c478bd9Sstevel@tonic-gate #endif 114*7c478bd9Sstevel@tonic-gate } _funcptr; 115*7c478bd9Sstevel@tonic-gate sigset_t sa_mask; 116*7c478bd9Sstevel@tonic-gate #ifndef _LP64 117*7c478bd9Sstevel@tonic-gate int sa_resv[2]; 118*7c478bd9Sstevel@tonic-gate #endif 119*7c478bd9Sstevel@tonic-gate }; 120*7c478bd9Sstevel@tonic-gate #define sa_handler _funcptr._handler 121*7c478bd9Sstevel@tonic-gate #define sa_sigaction _funcptr._sigaction 122*7c478bd9Sstevel@tonic-gate 123*7c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 124*7c478bd9Sstevel@tonic-gate 125*7c478bd9Sstevel@tonic-gate /* Kernel view of the ILP32 user sigaction structure */ 126*7c478bd9Sstevel@tonic-gate 127*7c478bd9Sstevel@tonic-gate struct sigaction32 { 128*7c478bd9Sstevel@tonic-gate int32_t sa_flags; 129*7c478bd9Sstevel@tonic-gate union { 130*7c478bd9Sstevel@tonic-gate caddr32_t _handler; 131*7c478bd9Sstevel@tonic-gate caddr32_t _sigaction; 132*7c478bd9Sstevel@tonic-gate } _funcptr; 133*7c478bd9Sstevel@tonic-gate sigset32_t sa_mask; 134*7c478bd9Sstevel@tonic-gate int32_t sa_resv[2]; 135*7c478bd9Sstevel@tonic-gate }; 136*7c478bd9Sstevel@tonic-gate 137*7c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 138*7c478bd9Sstevel@tonic-gate 139*7c478bd9Sstevel@tonic-gate /* this is only valid for SIGCLD */ 140*7c478bd9Sstevel@tonic-gate #define SA_NOCLDSTOP 0x00020000 /* don't send job control SIGCLD's */ 141*7c478bd9Sstevel@tonic-gate #endif 142*7c478bd9Sstevel@tonic-gate 143*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || defined(_KERNEL) || \ 144*7c478bd9Sstevel@tonic-gate (!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \ 145*7c478bd9Sstevel@tonic-gate defined(_XPG4_2) 146*7c478bd9Sstevel@tonic-gate 147*7c478bd9Sstevel@tonic-gate /* non-conformant ANSI compilation */ 148*7c478bd9Sstevel@tonic-gate 149*7c478bd9Sstevel@tonic-gate /* definitions for the sa_flags field */ 150*7c478bd9Sstevel@tonic-gate #define SA_ONSTACK 0x00000001 151*7c478bd9Sstevel@tonic-gate #define SA_RESETHAND 0x00000002 152*7c478bd9Sstevel@tonic-gate #define SA_RESTART 0x00000004 153*7c478bd9Sstevel@tonic-gate #endif 154*7c478bd9Sstevel@tonic-gate 155*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || defined(_KERNEL) || \ 156*7c478bd9Sstevel@tonic-gate (!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \ 157*7c478bd9Sstevel@tonic-gate (_POSIX_C_SOURCE > 2) || defined(_XPG4_2) 158*7c478bd9Sstevel@tonic-gate #define SA_SIGINFO 0x00000008 159*7c478bd9Sstevel@tonic-gate #endif 160*7c478bd9Sstevel@tonic-gate 161*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || defined(_KERNEL) || \ 162*7c478bd9Sstevel@tonic-gate (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 163*7c478bd9Sstevel@tonic-gate defined(_XPG4_2) 164*7c478bd9Sstevel@tonic-gate #define SA_NODEFER 0x00000010 165*7c478bd9Sstevel@tonic-gate 166*7c478bd9Sstevel@tonic-gate /* this is only valid for SIGCLD */ 167*7c478bd9Sstevel@tonic-gate #define SA_NOCLDWAIT 0x00010000 /* don't save zombie children */ 168*7c478bd9Sstevel@tonic-gate 169*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || !defined(_XPG4_2) 170*7c478bd9Sstevel@tonic-gate /* 171*7c478bd9Sstevel@tonic-gate * use of these symbols by applications is injurious 172*7c478bd9Sstevel@tonic-gate * to binary compatibility 173*7c478bd9Sstevel@tonic-gate */ 174*7c478bd9Sstevel@tonic-gate #define NSIG 49 /* valid signals range from 1 to NSIG-1 */ 175*7c478bd9Sstevel@tonic-gate #define MAXSIG 48 /* size of u_signal[], NSIG-1 <= MAXSIG */ 176*7c478bd9Sstevel@tonic-gate #endif /* defined(__EXTENSIONS__) || !defined(_XPG4_2) */ 177*7c478bd9Sstevel@tonic-gate 178*7c478bd9Sstevel@tonic-gate #define MINSIGSTKSZ 2048 179*7c478bd9Sstevel@tonic-gate #define SIGSTKSZ 8192 180*7c478bd9Sstevel@tonic-gate 181*7c478bd9Sstevel@tonic-gate #define SS_ONSTACK 0x00000001 182*7c478bd9Sstevel@tonic-gate #define SS_DISABLE 0x00000002 183*7c478bd9Sstevel@tonic-gate 184*7c478bd9Sstevel@tonic-gate /* Duplicated in <sys/ucontext.h> as a result of XPG4v2 requirements. */ 185*7c478bd9Sstevel@tonic-gate #ifndef _STACK_T 186*7c478bd9Sstevel@tonic-gate #define _STACK_T 187*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || !defined(_XPG4_2) 188*7c478bd9Sstevel@tonic-gate typedef struct sigaltstack { 189*7c478bd9Sstevel@tonic-gate #else 190*7c478bd9Sstevel@tonic-gate typedef struct { 191*7c478bd9Sstevel@tonic-gate #endif 192*7c478bd9Sstevel@tonic-gate void *ss_sp; 193*7c478bd9Sstevel@tonic-gate size_t ss_size; 194*7c478bd9Sstevel@tonic-gate int ss_flags; 195*7c478bd9Sstevel@tonic-gate } stack_t; 196*7c478bd9Sstevel@tonic-gate 197*7c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 198*7c478bd9Sstevel@tonic-gate 199*7c478bd9Sstevel@tonic-gate /* Kernel view of the ILP32 user sigaltstack structure */ 200*7c478bd9Sstevel@tonic-gate 201*7c478bd9Sstevel@tonic-gate typedef struct sigaltstack32 { 202*7c478bd9Sstevel@tonic-gate caddr32_t ss_sp; 203*7c478bd9Sstevel@tonic-gate size32_t ss_size; 204*7c478bd9Sstevel@tonic-gate int32_t ss_flags; 205*7c478bd9Sstevel@tonic-gate } stack32_t; 206*7c478bd9Sstevel@tonic-gate 207*7c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 208*7c478bd9Sstevel@tonic-gate 209*7c478bd9Sstevel@tonic-gate #endif /* _STACK_T */ 210*7c478bd9Sstevel@tonic-gate 211*7c478bd9Sstevel@tonic-gate #endif /* defined(__EXTENSIONS__) || defined(_KERNEL) ... */ 212*7c478bd9Sstevel@tonic-gate 213*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || defined(_KERNEL) || \ 214*7c478bd9Sstevel@tonic-gate (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) 215*7c478bd9Sstevel@tonic-gate 216*7c478bd9Sstevel@tonic-gate /* signotify id used only by librt for mq_notify()/aio_notify() */ 217*7c478bd9Sstevel@tonic-gate typedef struct signotify_id { /* signotify id struct */ 218*7c478bd9Sstevel@tonic-gate pid_t sn_pid; /* pid of proc to be notified */ 219*7c478bd9Sstevel@tonic-gate int sn_index; /* index in preallocated pool */ 220*7c478bd9Sstevel@tonic-gate int sn_pad; /* reserved */ 221*7c478bd9Sstevel@tonic-gate } signotify_id_t; 222*7c478bd9Sstevel@tonic-gate 223*7c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 224*7c478bd9Sstevel@tonic-gate 225*7c478bd9Sstevel@tonic-gate /* Kernel view of the ILP32 user signotify_id structure */ 226*7c478bd9Sstevel@tonic-gate 227*7c478bd9Sstevel@tonic-gate typedef struct signotify32_id { 228*7c478bd9Sstevel@tonic-gate pid32_t sn_pid; /* pid of proc to be notified */ 229*7c478bd9Sstevel@tonic-gate int32_t sn_index; /* index in preallocated pool */ 230*7c478bd9Sstevel@tonic-gate int32_t sn_pad; /* reserved */ 231*7c478bd9Sstevel@tonic-gate } signotify32_id_t; 232*7c478bd9Sstevel@tonic-gate 233*7c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 234*7c478bd9Sstevel@tonic-gate 235*7c478bd9Sstevel@tonic-gate /* Command codes for sig_notify call */ 236*7c478bd9Sstevel@tonic-gate 237*7c478bd9Sstevel@tonic-gate #define SN_PROC 1 /* queue signotify for process */ 238*7c478bd9Sstevel@tonic-gate #define SN_CANCEL 2 /* cancel the queued signotify */ 239*7c478bd9Sstevel@tonic-gate #define SN_SEND 3 /* send the notified signal */ 240*7c478bd9Sstevel@tonic-gate 241*7c478bd9Sstevel@tonic-gate #endif /* defined(__EXTENSIONS__) || defined(_KERNEL) ... */ 242*7c478bd9Sstevel@tonic-gate 243*7c478bd9Sstevel@tonic-gate /* Added as per XPG4v2 */ 244*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || defined(_KERNEL) || \ 245*7c478bd9Sstevel@tonic-gate (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 246*7c478bd9Sstevel@tonic-gate defined(_XPG4_2) 247*7c478bd9Sstevel@tonic-gate struct sigstack { 248*7c478bd9Sstevel@tonic-gate void *ss_sp; 249*7c478bd9Sstevel@tonic-gate int ss_onstack; 250*7c478bd9Sstevel@tonic-gate }; 251*7c478bd9Sstevel@tonic-gate #endif /* defined(__EXTENSIONS__) || defined(_KERNEL) ... */ 252*7c478bd9Sstevel@tonic-gate 253*7c478bd9Sstevel@tonic-gate /* 254*7c478bd9Sstevel@tonic-gate * For definition of ucontext_t; must follow struct definition 255*7c478bd9Sstevel@tonic-gate * for sigset_t 256*7c478bd9Sstevel@tonic-gate */ 257*7c478bd9Sstevel@tonic-gate #if defined(_XPG4_2) 258*7c478bd9Sstevel@tonic-gate #include <sys/ucontext.h> 259*7c478bd9Sstevel@tonic-gate #endif /* defined(_XPG4_2) */ 260*7c478bd9Sstevel@tonic-gate 261*7c478bd9Sstevel@tonic-gate #ifdef _KERNEL 262*7c478bd9Sstevel@tonic-gate #include <sys/t_lock.h> 263*7c478bd9Sstevel@tonic-gate 264*7c478bd9Sstevel@tonic-gate extern k_sigset_t 265*7c478bd9Sstevel@tonic-gate nullsmask, /* a null signal mask */ 266*7c478bd9Sstevel@tonic-gate fillset, /* valid signals, guaranteed contiguous */ 267*7c478bd9Sstevel@tonic-gate holdvfork, /* held while doing vfork */ 268*7c478bd9Sstevel@tonic-gate cantmask, /* cannot be caught or ignored */ 269*7c478bd9Sstevel@tonic-gate cantreset, /* cannot be reset after catching */ 270*7c478bd9Sstevel@tonic-gate ignoredefault, /* ignored by default */ 271*7c478bd9Sstevel@tonic-gate stopdefault, /* stop by default */ 272*7c478bd9Sstevel@tonic-gate coredefault; /* dumps core by default */ 273*7c478bd9Sstevel@tonic-gate 274*7c478bd9Sstevel@tonic-gate #define sigmask(n) ((unsigned int)1 << (((n) - 1) & (32 - 1))) 275*7c478bd9Sstevel@tonic-gate #define sigword(n) (((unsigned int)((n) - 1))>>5) 276*7c478bd9Sstevel@tonic-gate 277*7c478bd9Sstevel@tonic-gate #if ((MAXSIG > 32) && (MAXSIG <= 64)) 278*7c478bd9Sstevel@tonic-gate #define FILLSET0 0xffffffffu 279*7c478bd9Sstevel@tonic-gate #define FILLSET1 ((1u << (MAXSIG - 32)) - 1) 280*7c478bd9Sstevel@tonic-gate #else 281*7c478bd9Sstevel@tonic-gate #error "fix me: MAXSIG out of bounds" 282*7c478bd9Sstevel@tonic-gate #endif 283*7c478bd9Sstevel@tonic-gate 284*7c478bd9Sstevel@tonic-gate #define CANTMASK0 (sigmask(SIGKILL)|sigmask(SIGSTOP)) 285*7c478bd9Sstevel@tonic-gate #define CANTMASK1 0 286*7c478bd9Sstevel@tonic-gate 287*7c478bd9Sstevel@tonic-gate #define sigemptyset(s) (*(s) = nullsmask) 288*7c478bd9Sstevel@tonic-gate #define sigfillset(s) (*(s) = fillset) 289*7c478bd9Sstevel@tonic-gate #define sigaddset(s, n) ((s)->__sigbits[sigword(n)] |= sigmask(n)) 290*7c478bd9Sstevel@tonic-gate #define sigdelset(s, n) ((s)->__sigbits[sigword(n)] &= ~sigmask(n)) 291*7c478bd9Sstevel@tonic-gate #define sigismember(s, n) (sigmask(n) & (s)->__sigbits[sigword(n)]) 292*7c478bd9Sstevel@tonic-gate #define sigisempty(s) (!(((s)->__sigbits[0]) | ((s)->__sigbits[1]))) 293*7c478bd9Sstevel@tonic-gate #define sigutok(us, ks) \ 294*7c478bd9Sstevel@tonic-gate ((ks)->__sigbits[0] = (us)->__sigbits[0] & (FILLSET0 & ~CANTMASK0), \ 295*7c478bd9Sstevel@tonic-gate (ks)->__sigbits[1] = (us)->__sigbits[1] & (FILLSET1 & ~CANTMASK1)) 296*7c478bd9Sstevel@tonic-gate #define sigktou(ks, us) ((us)->__sigbits[0] = (ks)->__sigbits[0], \ 297*7c478bd9Sstevel@tonic-gate (us)->__sigbits[1] = (ks)->__sigbits[1], \ 298*7c478bd9Sstevel@tonic-gate (us)->__sigbits[2] = 0, \ 299*7c478bd9Sstevel@tonic-gate (us)->__sigbits[3] = 0) 300*7c478bd9Sstevel@tonic-gate typedef struct { 301*7c478bd9Sstevel@tonic-gate int sig; /* signal no. */ 302*7c478bd9Sstevel@tonic-gate int perm; /* flag for EPERM */ 303*7c478bd9Sstevel@tonic-gate int checkperm; /* check perm or not */ 304*7c478bd9Sstevel@tonic-gate int sicode; /* has siginfo.si_code */ 305*7c478bd9Sstevel@tonic-gate union sigval value; /* user specified value */ 306*7c478bd9Sstevel@tonic-gate } sigsend_t; 307*7c478bd9Sstevel@tonic-gate 308*7c478bd9Sstevel@tonic-gate typedef struct { 309*7c478bd9Sstevel@tonic-gate sigqueue_t sn_sigq; /* sigq struct for notification */ 310*7c478bd9Sstevel@tonic-gate u_longlong_t sn_snid; /* unique id for notification */ 311*7c478bd9Sstevel@tonic-gate } signotifyq_t; 312*7c478bd9Sstevel@tonic-gate 313*7c478bd9Sstevel@tonic-gate 314*7c478bd9Sstevel@tonic-gate typedef struct sigqhdr { /* sigqueue pool header */ 315*7c478bd9Sstevel@tonic-gate sigqueue_t *sqb_free; /* free sigq struct list */ 316*7c478bd9Sstevel@tonic-gate uchar_t sqb_count; /* sigq free count */ 317*7c478bd9Sstevel@tonic-gate uchar_t sqb_maxcount; /* sigq max free count */ 318*7c478bd9Sstevel@tonic-gate ushort_t sqb_size; /* size of header+free structs */ 319*7c478bd9Sstevel@tonic-gate uchar_t sqb_pexited; /* process has exited */ 320*7c478bd9Sstevel@tonic-gate uchar_t sqb_sent; /* number of sigq sent */ 321*7c478bd9Sstevel@tonic-gate kmutex_t sqb_lock; /* lock for sigq pool */ 322*7c478bd9Sstevel@tonic-gate } sigqhdr_t; 323*7c478bd9Sstevel@tonic-gate 324*7c478bd9Sstevel@tonic-gate #define _SIGQUEUE_MAX 32 325*7c478bd9Sstevel@tonic-gate #define _SIGNOTIFY_MAX 32 326*7c478bd9Sstevel@tonic-gate 327*7c478bd9Sstevel@tonic-gate extern void setsigact(int, void (*)(int), k_sigset_t, int); 328*7c478bd9Sstevel@tonic-gate extern void sigorset(k_sigset_t *, k_sigset_t *); 329*7c478bd9Sstevel@tonic-gate extern void sigandset(k_sigset_t *, k_sigset_t *); 330*7c478bd9Sstevel@tonic-gate extern void sigdiffset(k_sigset_t *, k_sigset_t *); 331*7c478bd9Sstevel@tonic-gate extern void sigintr(k_sigset_t *, int); 332*7c478bd9Sstevel@tonic-gate extern void sigunintr(k_sigset_t *); 333*7c478bd9Sstevel@tonic-gate extern void sigreplace(k_sigset_t *, k_sigset_t *); 334*7c478bd9Sstevel@tonic-gate 335*7c478bd9Sstevel@tonic-gate extern int kill(pid_t, int); 336*7c478bd9Sstevel@tonic-gate 337*7c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 338*7c478bd9Sstevel@tonic-gate 339*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 340*7c478bd9Sstevel@tonic-gate } 341*7c478bd9Sstevel@tonic-gate #endif 342*7c478bd9Sstevel@tonic-gate 343*7c478bd9Sstevel@tonic-gate #endif /* _SYS_SIGNAL_H */ 344