lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>

3 files changed, 129 insertions, 0 deletions

diff --git a/lib/mlibc/options/linux/include/bits/linux/cpu_set.h b/lib/mlibc/options/linux/include/bits/linux/cpu_set.h
new file mode 100644
index 0000000..f3c753e
--- /dev/null
+++ b/lib/mlibc/options/linux/include/bits/linux/cpu_set.h
@@ -0,0 +1,49 @@
+#ifndef _LINUX_CPU_SET_H
+#define _LINUX_CPU_SET_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bits/cpu_set.h>
+#include <bits/size_t.h>
+#include <limits.h>
+#include <stdlib.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+cpu_set_t *__mlibc_cpu_alloc(int num_cpus);
+size_t __mlibc_cpu_alloc_size(int num_cpus);
+
+void __mlibc_cpu_zero(const size_t setsize, cpu_set_t *set);
+void __mlibc_cpu_set(const int cpu, const size_t setsize, cpu_set_t *set);
+void __mlibc_cpu_clear(const int cpu, const size_t setsize, cpu_set_t *set);
+int __mlibc_cpu_isset(const int cpu, const size_t setsize, const cpu_set_t *set);
+int __mlibc_cpu_count(const size_t setsize, const cpu_set_t *set);
+
+#define CPU_ALLOC_SIZE(n) __mlibc_cpu_alloc_size((n))
+#define CPU_ALLOC(n) __mlibc_cpu_alloc((n))
+#define CPU_FREE(set) free((set))
+
+#define CPU_ZERO_S(setsize, set) __mlibc_cpu_zero((setsize), (set))
+#define CPU_ZERO(set) CPU_ZERO_S(sizeof(cpu_set_t), set)
+
+#define CPU_SET_S(cpu, setsize, set) __mlibc_cpu_set((cpu), (setsize), (set))
+#define CPU_SET(cpu, set) CPU_SET_S(cpu, sizeof(cpu_set_t), set)
+
+#define CPU_CLR_S(cpu, setsize, set) __mlibc_cpu_clear((cpu), (setsize), (set))
+#define CPU_CLR(cpu, set) CPU_CLR_S(cpu, sizeof(cpu_set_t), set)
+
+#define CPU_ISSET_S(cpu, setsize, set) __mlibc_cpu_isset((cpu), (setsize), (set))
+#define CPU_ISSET(cpu, set) CPU_ISSET_S(cpu, sizeof(cpu_set_t), set)
+
+#define CPU_COUNT_S(setsize, set) __mlibc_cpu_count((setsize), (set))
+#define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t), set)
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LINUX_CPU_SET_H */
diff --git a/lib/mlibc/options/linux/include/bits/linux/linux_sched.h b/lib/mlibc/options/linux/include/bits/linux/linux_sched.h
new file mode 100644
index 0000000..6a1209a
--- /dev/null
+++ b/lib/mlibc/options/linux/include/bits/linux/linux_sched.h
@@ -0,0 +1,59 @@
+
+#ifndef _LINUX_SCHED_H
+#define _LINUX_SCHED_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <abi-bits/pid_t.h>
+#include <bits/size_t.h>
+#include <bits/linux/cpu_set.h>
+
+#define CLONE_VM 0x00000100
+#define CLONE_FS 0x00000200
+#define CLONE_FILES	0x00000400
+#define CLONE_SIGHAND 0x00000800
+#define CLONE_PTRACE 0x00002000
+#define CLONE_VFORK 0x00004000
+#define CLONE_PARENT 0x00008000
+#define CLONE_THREAD 0x00010000
+#define CLONE_NEWNS 0x00020000
+#define CLONE_SYSVSEM 0x00040000
+#define CLONE_SETTLS 0x00080000
+#define CLONE_PARENT_SETTID 0x00100000
+#define CLONE_CHILD_CLEARTID 0x00200000
+#define CLONE_DETACHED 0x00400000
+#define CLONE_UNTRACED 0x00800000
+#define CLONE_CHILD_SETTID 0x01000000
+#define CLONE_NEWCGROUP 0x02000000
+#define CLONE_NEWUTS 0x04000000
+#define CLONE_NEWIPC 0x08000000
+#define CLONE_NEWUSER 0x10000000
+#define CLONE_NEWPID 0x20000000
+#define CLONE_NEWNET 0x40000000
+#define CLONE_IO 0x80000000
+
+#ifndef __MLIBC_ABI_ONLY
+
+int sched_getscheduler(pid_t pid);
+int sched_setaffinity(pid_t pid, size_t cpusetsize, const cpu_set_t *mask);
+int sched_getaffinity(pid_t pid, size_t cpusetsize, cpu_set_t *mask);
+
+int unshare(int flags);
+int clone(int (*)(void *), void *, int, void *, ...);
+
+/* Glibc extension */
+int sched_getcpu(void);
+
+#if defined(_GNU_SOURCE)
+int setns(int fd, int nstype);
+#endif /* _GNU_SOURCE */
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LINUX_SCHED_H */
diff --git a/lib/mlibc/options/linux/include/bits/linux/linux_unistd.h b/lib/mlibc/options/linux/include/bits/linux/linux_unistd.h
new file mode 100644
index 0000000..77534ba
--- /dev/null
+++ b/lib/mlibc/options/linux/include/bits/linux/linux_unistd.h
@@ -0,0 +1,21 @@
+#ifndef _LINUX_UNISTD_H
+#define _LINUX_UNISTD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int dup3(int fd, int newfd, int flags);
+int vhangup(void);
+int getdtablesize(void);
+int syncfs(int fd);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _LINUX_UNISTD_H