From 7d2ab3a71f4bda9d8ee997764d98b29e13a902c5 Mon Sep 17 00:00:00 2001
From: Anton Kling <anton@kling.gg>
Date: Mon, 29 Apr 2024 18:00:20 +0200
Subject: Kernel/Socket: Move sockets back to being file descriptors

---
 userland/libc/include/math.h       | 14 ++++++++++++++
 userland/libc/include/signal.h     |  1 +
 userland/libc/include/sys/socket.h |  1 +
 userland/libc/include/syscall.h    |  1 +
 4 files changed, 17 insertions(+)

(limited to 'userland/libc/include')

diff --git a/userland/libc/include/math.h b/userland/libc/include/math.h
index 9d4f4b4..d85b3a0 100644
--- a/userland/libc/include/math.h
+++ b/userland/libc/include/math.h
@@ -1,2 +1,16 @@
 #define max(_a, _b) ((_a) > (_b) ? (_a) : (_b))
 #define min(_a, _b) ((_a) < (_b) ? (_a) : (_b))
+
+#if 100*__GNUC__+__GNUC_MINOR__ >= 303
+#define NAN       __builtin_nanf("")
+#define INFINITY  __builtin_inff()
+#else
+#define NAN       (0.0f/0.0f)
+#define INFINITY  1e40f
+#endif
+
+#define HUGE_VALF INFINITY
+#define HUGE_VAL  ((double)INFINITY)
+#define HUGE_VALL ((long double)INFINITY)
+
+double ldexp(double x, int exp);
diff --git a/userland/libc/include/signal.h b/userland/libc/include/signal.h
index a241015..42702b2 100644
--- a/userland/libc/include/signal.h
+++ b/userland/libc/include/signal.h
@@ -13,6 +13,7 @@
 #define SIGKILL 9
 #define SIGFPE 10
 #define SIGTERM 15
+#define SIG_DFL 16
 
 typedef int pid_t;
 typedef int sigset_t;
diff --git a/userland/libc/include/sys/socket.h b/userland/libc/include/sys/socket.h
index 7a2cc23..fb874a1 100644
--- a/userland/libc/include/sys/socket.h
+++ b/userland/libc/include/sys/socket.h
@@ -8,3 +8,4 @@ size_t recvfrom(int socket, void *buffer, size_t length, int flags,
 size_t sendto(int socket, const void *message, size_t length, int flags,
                const struct sockaddr *dest_addr, socklen_t dest_len);
 int listen(int socket, int backlog);
+int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
diff --git a/userland/libc/include/syscall.h b/userland/libc/include/syscall.h
index 201ff3d..f318955 100644
--- a/userland/libc/include/syscall.h
+++ b/userland/libc/include/syscall.h
@@ -59,6 +59,7 @@
 #define SYS_MUNMAP 48
 #define SYS_OPEN_PROCESS 49
 #define SYS_LSEEK 50
+#define SYS_CONNECT 51
 
 int syscall(uint32_t eax, uint32_t ebx, uint32_t ecx, uint32_t edx,
             uint32_t esi, uint32_t edi);
-- 
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