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- Change trapsignal() to accept a thread and not a proc.

Browse source 
- Change all consumers to pass in a thread.

Right now this does not cause any functional changes but it will be important
later when signals can be delivered to specific threads.
This commit is contained in:
Jeff Roberson 2003-03-31 22:02:38 +00:00
parent 772e5d8d88
commit 1bf4700bff
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=112883
13 changed files with 40 additions and 40 deletions
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2
sys/alpha/alpha/trap.c
View file

@ -584,7 +584,7 @@ trap(a0, a1, a2, entry, framep)
framep->tf_regs[FRAME_TRAPARG_A0] = a0;
framep->tf_regs[FRAME_TRAPARG_A1] = a1;
framep->tf_regs[FRAME_TRAPARG_A2] = a2;
trapsignal(p, i, ucode);
trapsignal(td, i, ucode);
out:
if (user) {
framep->tf_regs[FRAME_SP] = alpha_pal_rdusp();

12
sys/amd64/amd64/machdep.c
View file

@ -680,7 +680,7 @@ osigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -721,7 +721,7 @@ osigreturn(td, uap)
* other selectors, invalid %eip's and invalid %esp's.
*/
if (!CS_SECURE(scp->sc_cs)) {
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}
regs->tf_ds = scp->sc_ds;
@ -798,7 +798,7 @@ freebsd4_sigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -844,7 +844,7 @@ freebsd4_sigreturn(td, uap)
cs = ucp->uc_mcontext.mc_cs;
if (!CS_SECURE(cs)) {
printf("freebsd4_sigreturn: cs = 0x%x\n", cs);
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}
@ -905,7 +905,7 @@ sigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -951,7 +951,7 @@ sigreturn(td, uap)
cs = ucp->uc_mcontext.mc_cs;
if (!CS_SECURE(cs)) {
printf("sigreturn: cs = 0x%x\n", cs);
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}

12
sys/i386/i386/machdep.c
View file

@ -680,7 +680,7 @@ osigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -721,7 +721,7 @@ osigreturn(td, uap)
* other selectors, invalid %eip's and invalid %esp's.
*/
if (!CS_SECURE(scp->sc_cs)) {
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}
regs->tf_ds = scp->sc_ds;
@ -798,7 +798,7 @@ freebsd4_sigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -844,7 +844,7 @@ freebsd4_sigreturn(td, uap)
cs = ucp->uc_mcontext.mc_cs;
if (!CS_SECURE(cs)) {
printf("freebsd4_sigreturn: cs = 0x%x\n", cs);
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}
@ -905,7 +905,7 @@ sigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -951,7 +951,7 @@ sigreturn(td, uap)
cs = ucp->uc_mcontext.mc_cs;
if (!CS_SECURE(cs)) {
printf("sigreturn: cs = 0x%x\n", cs);
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}

4
sys/i386/linux/linux_sysvec.c
View file

@ -554,7 +554,7 @@ linux_sigreturn(struct thread *td, struct linux_sigreturn_args *args)
*/
#define CS_SECURE(cs) (ISPL(cs) == SEL_UPL)
if (!CS_SECURE(frame.sf_sc.sc_cs)) {
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return(EINVAL);
}
@ -652,7 +652,7 @@ linux_rt_sigreturn(struct thread *td, struct linux_rt_sigreturn_args *args)
*/
#define CS_SECURE(cs) (ISPL(cs) == SEL_UPL)
if (!CS_SECURE(context->sc_cs)) {
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return(EINVAL);
}

4
sys/ia64/ia64/trap.c
View file

@ -740,7 +740,7 @@ trap(int vector, int imm, struct trapframe *framep)
#ifdef DEBUG
printtrap(vector, imm, framep, 1, user);
#endif
trapsignal(p, i, ucode);
trapsignal(td, i, ucode);
out:
if (user) {
userret(td, framep, sticks);
@ -1048,7 +1048,7 @@ ia32_syscall(struct trapframe *framep)
*/
if ((orig_eflags & PSL_T) && !(orig_eflags & PSL_VM)) {
ia64_set_eflag(ia64_get_eflag() & ~PSL_T);
trapsignal(p, SIGTRAP, 0);
trapsignal(td, SIGTRAP, 0);
}
/*

12
sys/kern/kern_sig.c
View file

@ -1256,19 +1256,19 @@ pgsignal(pgrp, sig, checkctty)
}
/*
* Send a signal caused by a trap to the current process.
* Send a signal caused by a trap to the current thread.
* If it will be caught immediately, deliver it with correct code.
* Otherwise, post it normally.
*
* MPSAFE
*/
void
trapsignal(p, sig, code)
struct proc *p;
register int sig;
u_long code;
trapsignal(struct thread *td, int sig, u_long code)
{
register struct sigacts *ps;
struct sigacts *ps;
struct proc *p;
p = td->td_proc;
PROC_LOCK(p);
ps = p->p_sigacts;

2
sys/kern/subr_trap.c
View file

@ -209,7 +209,7 @@ ast(struct trapframe *framep)
PCB_NPXTRAP);
ucode = npxtrap();
if (ucode != -1) {
trapsignal(p, SIGFPE, ucode);
trapsignal(td, SIGFPE, ucode);
}
}
#endif

12
sys/pc98/i386/machdep.c
View file

@ -700,7 +700,7 @@ osigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -741,7 +741,7 @@ osigreturn(td, uap)
* other selectors, invalid %eip's and invalid %esp's.
*/
if (!CS_SECURE(scp->sc_cs)) {
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}
regs->tf_ds = scp->sc_ds;
@ -818,7 +818,7 @@ freebsd4_sigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -864,7 +864,7 @@ freebsd4_sigreturn(td, uap)
cs = ucp->uc_mcontext.mc_cs;
if (!CS_SECURE(cs)) {
printf("freebsd4_sigreturn: cs = 0x%x\n", cs);
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}
@ -925,7 +925,7 @@ sigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -971,7 +971,7 @@ sigreturn(td, uap)
cs = ucp->uc_mcontext.mc_cs;
if (!CS_SECURE(cs)) {
printf("sigreturn: cs = 0x%x\n", cs);
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}

12
sys/pc98/pc98/machdep.c
View file

@ -700,7 +700,7 @@ osigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -741,7 +741,7 @@ osigreturn(td, uap)
* other selectors, invalid %eip's and invalid %esp's.
*/
if (!CS_SECURE(scp->sc_cs)) {
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}
regs->tf_ds = scp->sc_ds;
@ -818,7 +818,7 @@ freebsd4_sigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -864,7 +864,7 @@ freebsd4_sigreturn(td, uap)
cs = ucp->uc_mcontext.mc_cs;
if (!CS_SECURE(cs)) {
printf("freebsd4_sigreturn: cs = 0x%x\n", cs);
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}
@ -925,7 +925,7 @@ sigreturn(td, uap)
/* Go back to user mode if both flags are set. */
if ((eflags & PSL_VIP) && (eflags & PSL_VIF))
trapsignal(p, SIGBUS, 0);
trapsignal(td, SIGBUS, 0);
if (vm86->vm86_has_vme) {
eflags = (tf->tf_eflags & ~VME_USERCHANGE) |
@ -971,7 +971,7 @@ sigreturn(td, uap)
cs = ucp->uc_mcontext.mc_cs;
if (!CS_SECURE(cs)) {
printf("sigreturn: cs = 0x%x\n", cs);
trapsignal(p, SIGBUS, T_PROTFLT);
trapsignal(td, SIGBUS, T_PROTFLT);
return (EINVAL);
}

2
sys/powerpc/aim/trap.c
View file

@ -258,7 +258,7 @@ trap(struct trapframe *frame)
if (sig != 0) {
if (p->p_sysent->sv_transtrap != NULL)
sig = (p->p_sysent->sv_transtrap)(sig, type);
trapsignal(p, sig, ucode);
trapsignal(td, sig, ucode);
}
userret(td, frame, sticks);

2
sys/powerpc/powerpc/trap.c
View file

@ -258,7 +258,7 @@ trap(struct trapframe *frame)
if (sig != 0) {
if (p->p_sysent->sv_transtrap != NULL)
sig = (p->p_sysent->sv_transtrap)(sig, type);
trapsignal(p, sig, ucode);
trapsignal(td, sig, ucode);
}
userret(td, frame, sticks);

2
sys/sparc64/sparc64/trap.c
View file

@ -284,7 +284,7 @@ trap(struct trapframe *tf)
if (debugger_on_signal &&
(sig == 4 || sig == 10 || sig == 11))
Debugger("trapsig");
trapsignal(p, sig, tf->tf_type);
trapsignal(td, sig, tf->tf_type);
}
userret(td, tf, sticks);

2
sys/sys/signalvar.h
View file

@ -247,7 +247,7 @@ void psignal(struct proc *p, int sig);
void sigexit(struct thread *td, int signum) __dead2;
void siginit(struct proc *p);
void signotify(struct proc *p);
void trapsignal(struct proc *p, int sig, u_long code);
void trapsignal(struct thread *td, int sig, u_long code);
/*
* Machine-dependent functions: