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Add linux_umask syscall implementation

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EnderIce2 2024-04-01 00:47:51 +03:00
parent 473821bfa8
commit e42759147e
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 12 additions and 2 deletions
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14
syscalls/linux.cpp
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@ -1914,6 +1914,16 @@ static ssize_t linux_readlink(SysFrm *, const char *pathname,
return len;
}
/* https://man7.org/linux/man-pages/man2/umask.2.html */
static mode_t linux_umask(SysFrm *, mode_t mask)
{
PCB *pcb = thisProcess;
mode_t old = pcb->FileCreationMask;
pcb->FileCreationMask = mask & 0777;
debug("old=%#o new=%#o (mask: %#lx)", old, pcb->FileCreationMask, mask);
return old;
}
/* https://man7.org/linux/man-pages/man2/getrusage.2.html */
static int linux_getrusage(SysFrm *, int who, struct rusage *usage)
{
@ -2852,7 +2862,7 @@ static SyscallData LinuxSyscallsTableAMD64[] = {
[__NR_amd64_chown] = {"chown", (void *)nullptr},
[__NR_amd64_fchown] = {"fchown", (void *)nullptr},
[__NR_amd64_lchown] = {"lchown", (void *)nullptr},
[__NR_amd64_umask] = {"umask", (void *)nullptr},
[__NR_amd64_umask] = {"umask", (void *)linux_umask},
[__NR_amd64_gettimeofday] = {"gettimeofday", (void *)nullptr},
[__NR_amd64_getrlimit] = {"getrlimit", (void *)nullptr},
[__NR_amd64_getrusage] = {"getrusage", (void *)linux_getrusage},
@ -3267,7 +3277,7 @@ static SyscallData LinuxSyscallsTableI386[] = {
[__NR_i386_setpgid] = {"setpgid", (void *)linux_setpgid},
[__NR_i386_ulimit] = {"ulimit", (void *)nullptr},
[__NR_i386_oldolduname] = {"oldolduname", (void *)nullptr},
[__NR_i386_umask] = {"umask", (void *)nullptr},
[__NR_i386_umask] = {"umask", (void *)linux_umask},
[__NR_i386_chroot] = {"chroot", (void *)nullptr},
[__NR_i386_ustat] = {"ustat", (void *)nullptr},
[__NR_i386_dup2] = {"dup2", (void *)linux_dup2},