45 #include <sys/procfs.h>
  46 #include <sys/wait.h>
  47 #include <sys/class.h>
  48 #include <sys/mman.h>
  49 #include <sys/procset.h>
  50 #include <sys/kmem.h>
  51 #include <sys/cpuvar.h>
  52 #include <sys/prsystm.h>
  53 #include <sys/debug.h>
  54 #include <vm/as.h>
  55 #include <sys/bitmap.h>
  56 #include <c2/audit.h>
  57 #include <sys/core.h>
  58 #include <sys/schedctl.h>
  59 #include <sys/contract/process_impl.h>
  60 #include <sys/cyclic.h>
  61 #include <sys/dtrace.h>
  62 #include <sys/sdt.h>
  63 #include <sys/signalfd.h>
  64 
  65 const k_sigset_t nullsmask = {0, 0, 0};
  66 
  67 const k_sigset_t fillset =      /* MUST be contiguous */
  68         {FILLSET0, FILLSET1, FILLSET2};
  69 
  70 const k_sigset_t cantmask =
  71         {CANTMASK0, CANTMASK1, CANTMASK2};
  72 
  73 const k_sigset_t cantreset =
  74         {(sigmask(SIGILL)|sigmask(SIGTRAP)|sigmask(SIGPWR)), 0, 0};
  75 
  76 const k_sigset_t ignoredefault =
  77         {(sigmask(SIGCONT)|sigmask(SIGCLD)|sigmask(SIGPWR)
  78         |sigmask(SIGWINCH)|sigmask(SIGURG)|sigmask(SIGWAITING)),
  79         (sigmask(SIGLWP)|sigmask(SIGCANCEL)|sigmask(SIGFREEZE)
  80         |sigmask(SIGTHAW)|sigmask(SIGXRES)|sigmask(SIGJVM1)
  81         |sigmask(SIGJVM2)|sigmask(SIGINFO)), 0};
  82 
  83 const k_sigset_t stopdefault =
  84         {(sigmask(SIGSTOP)|sigmask(SIGTSTP)|sigmask(SIGTTOU)|sigmask(SIGTTIN)),
  85         0, 0};
  86 
  87 const k_sigset_t coredefault =
  88         {(sigmask(SIGQUIT)|sigmask(SIGILL)|sigmask(SIGTRAP)|sigmask(SIGIOT)
  89         |sigmask(SIGEMT)|sigmask(SIGFPE)|sigmask(SIGBUS)|sigmask(SIGSEGV)
  90         |sigmask(SIGSYS)|sigmask(SIGXCPU)|sigmask(SIGXFSZ)), 0, 0};
  91 
  92 const k_sigset_t holdvfork =
  93         {(sigmask(SIGTTOU)|sigmask(SIGTTIN)|sigmask(SIGTSTP)), 0, 0};
  94 
  95 static  int     isjobstop(int);
  96 static  void    post_sigcld(proc_t *, sigqueue_t *);
  97 
  98 
  99 /*
 100  * signalfd helper function which is set when the signalfd driver loads.
 101  */
 102 void (*sigfd_exit_helper)();
 103 
 104 /*
 105  * Internal variables for counting number of user thread stop requests posted.
 106  * They may not be accurate at some special situation such as that a virtually
 107  * stopped thread starts to run.
 108  */
 109 static int num_utstop;
 110 /*
 111  * Internal variables for broadcasting an event when all thread stop requests
 112  * are processed.
 113  */

  45 #include <sys/procfs.h>
  46 #include <sys/wait.h>
  47 #include <sys/class.h>
  48 #include <sys/mman.h>
  49 #include <sys/procset.h>
  50 #include <sys/kmem.h>
  51 #include <sys/cpuvar.h>
  52 #include <sys/prsystm.h>
  53 #include <sys/debug.h>
  54 #include <vm/as.h>
  55 #include <sys/bitmap.h>
  56 #include <c2/audit.h>
  57 #include <sys/core.h>
  58 #include <sys/schedctl.h>
  59 #include <sys/contract/process_impl.h>
  60 #include <sys/cyclic.h>
  61 #include <sys/dtrace.h>
  62 #include <sys/sdt.h>
  63 #include <sys/signalfd.h>
  64 
  65 const k_sigset_t nullsmask = {{0, 0, 0}};
  66 
  67 const k_sigset_t fillset = {    /* MUST be contiguous */
  68         {FILLSET0, FILLSET1, FILLSET2}};
  69 
  70 const k_sigset_t cantmask = {
  71         {CANTMASK0, CANTMASK1, CANTMASK2}};
  72 
  73 const k_sigset_t cantreset = {
  74         {(sigmask(SIGILL)|sigmask(SIGTRAP)|sigmask(SIGPWR)), 0, 0}};
  75 
  76 const k_sigset_t ignoredefault = {
  77         {(sigmask(SIGCONT)|sigmask(SIGCLD)|sigmask(SIGPWR)
  78         |sigmask(SIGWINCH)|sigmask(SIGURG)|sigmask(SIGWAITING)),
  79         (sigmask(SIGLWP)|sigmask(SIGCANCEL)|sigmask(SIGFREEZE)
  80         |sigmask(SIGTHAW)|sigmask(SIGXRES)|sigmask(SIGJVM1)
  81         |sigmask(SIGJVM2)|sigmask(SIGINFO)), 0}};
  82 
  83 const k_sigset_t stopdefault = {
  84         {(sigmask(SIGSTOP)|sigmask(SIGTSTP)|sigmask(SIGTTOU)|sigmask(SIGTTIN)),
  85         0, 0}};
  86 
  87 const k_sigset_t coredefault = {
  88         {(sigmask(SIGQUIT)|sigmask(SIGILL)|sigmask(SIGTRAP)|sigmask(SIGIOT)
  89         |sigmask(SIGEMT)|sigmask(SIGFPE)|sigmask(SIGBUS)|sigmask(SIGSEGV)
  90         |sigmask(SIGSYS)|sigmask(SIGXCPU)|sigmask(SIGXFSZ)), 0, 0}};
  91 
  92 const k_sigset_t holdvfork = {
  93         {(sigmask(SIGTTOU)|sigmask(SIGTTIN)|sigmask(SIGTSTP)), 0, 0}};
  94 
  95 static  int     isjobstop(int);
  96 static  void    post_sigcld(proc_t *, sigqueue_t *);
  97 
  98 
  99 /*
 100  * signalfd helper function which is set when the signalfd driver loads.
 101  */
 102 void (*sigfd_exit_helper)();
 103 
 104 /*
 105  * Internal variables for counting number of user thread stop requests posted.
 106  * They may not be accurate at some special situation such as that a virtually
 107  * stopped thread starts to run.
 108  */
 109 static int num_utstop;
 110 /*
 111  * Internal variables for broadcasting an event when all thread stop requests
 112  * are processed.
 113  */