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UserspaceEmulator: Add support for sched_(g s)etparam

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AnotherTest 2020-10-24 11:22:11 +03:30 • committed by Andreas Kling
parent 33730cbd92
commit 457e00f319
2 changed files with 23 additions and 0 deletions
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21
DevTools/UserspaceEmulator/Emulator.cpp
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@ -36,6 +36,7 @@
#include <fcntl.h>
#include <net/if.h>
#include <net/route.h>
#include <sched.h>
#include <serenity.h>
#include <stdio.h>
#include <string.h>
@ -381,6 +382,10 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
return virt$getrandom(arg1, arg2, arg3);
case SC_fork:
return virt$fork();
case SC_sched_getparam:
return virt$sched_getparam(arg1, arg2);
case SC_sched_setparam:
return virt$sched_setparam(arg1, arg2);
default:
reportln("\n=={}== \033[31;1mUnimplemented syscall: {}\033[0m, {:p}", getpid(), Syscall::to_string((Syscall::Function)function), function);
dump_backtrace();
@ -1403,4 +1408,20 @@ int Emulator::virt$dup2(int old_fd, int new_fd)
return syscall(SC_dup2, old_fd, new_fd);
}
int Emulator::virt$sched_getparam(pid_t pid, FlatPtr user_addr)
{
sched_param user_param;
mmu().copy_from_vm(&user_param, user_addr, sizeof(user_param));
auto rc = syscall(SC_sched_getparam, pid, &user_param);
mmu().copy_to_vm(user_addr, &user_param, sizeof(user_param));
return rc;
}
int Emulator::virt$sched_setparam(int pid, FlatPtr user_addr)
{
sched_param user_param;
mmu().copy_from_vm(&user_param, user_addr, sizeof(user_param));
return syscall(SC_sched_setparam, pid, &user_param);
}
}