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support SA_RESTART flag and restart syscall

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This commit is contained in:
Tomoki Shirasawa
2015-07-16 16:33:14 +09:00
parent 1bc84d3feb
commit 1ff4cf68c2
5 changed files with 85 additions and 22 deletions
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10
arch/x86/kernel/cpu.c
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@ -604,7 +604,7 @@ void setup_x86_ap(void (*next_func)(void))
void arch_show_interrupt_context(const void *reg);
void set_signal(int sig, void *regs, struct siginfo *info);
void check_signal(unsigned long rc, void *regs);
void check_signal(unsigned long, void *, int);
extern void tlb_flush_handler(int vector);
void handle_interrupt(int vector, struct x86_user_context *regs)
@ -678,7 +678,7 @@ void handle_interrupt(int vector, struct x86_user_context *regs)
}
}
check_signal(0, regs);
check_signal(0, regs, 0);
check_need_resched();
}
@ -691,7 +691,7 @@ void gpe_handler(struct x86_user_context *regs)
panic("gpe_handler");
}
set_signal(SIGSEGV, regs, NULL);
check_signal(0, regs);
check_signal(0, regs, 0);
check_need_resched();
// panic("GPF");
}
@ -719,7 +719,7 @@ void debug_handler(struct x86_user_context *regs)
memset(&info, '\0', sizeof info);
info.si_code = si_code;
set_signal(SIGTRAP, regs, &info);
check_signal(0, regs);
check_signal(0, regs, 0);
check_need_resched();
}
@ -736,7 +736,7 @@ void int3_handler(struct x86_user_context *regs)
memset(&info, '\0', sizeof info);
info.si_code = TRAP_BRKPT;
set_signal(SIGTRAP, regs, &info);
check_signal(0, regs);
check_signal(0, regs, 0);
check_need_resched();
}