libc: small changes

9 files changed, 12 insertions, 93 deletions

diff --git a/userland/libc/include/math.h b/userland/libc/include/math.h
index d85b3a0..7168a5d 100644
--- a/userland/libc/include/math.h
+++ b/userland/libc/include/math.h
@@ -14,3 +14,4 @@
 #define HUGE_VALL ((long double)INFINITY)
 
 double ldexp(double x, int exp);
+double fmin(double x, double y);
diff --git a/userland/libc/include/signal.h b/userland/libc/include/signal.h
deleted file mode 100644
index e5f8d8b..0000000
--- a/userland/libc/include/signal.h
+++ /dev/null
@@ -1,55 +0,0 @@
-#ifndef SIGNAL_H
-#define SIGNAL_H
-#include <sys/types.h>
-#define SIGHUP 0
-#define SIGINT 1
-#define SIGWINCH 2
-#define SIGQUIT 3
-#define SIG_IGN 4
-#define SIGSEGV 5
-#define SIGILL 6
-#define SIGABRT 7
-#define SIGBUS 8
-#define SIGKILL 9
-#define SIGFPE 10
-#define SIGTERM 15
-#define SIG_DFL 16
-
-typedef int pid_t;
-typedef int sigset_t;
-
-union sigval {
-  int sival_int;   // Integer signal value.
-  void *sival_ptr; // Pointer signal value.
-};
-
-struct siginfo {
-  int si_signo;          // Signal number.
-  int si_code;           // Signal code.
-  int si_errno;          // If non-zero, an errno value associated with
-                         // this signal, as described in <errno.h>.
-  pid_t si_pid;          // Sending process ID.
-  uid_t si_uid;          // Real user ID of sending process.
-  void *si_addr;         // Address of faulting instruction.
-  int si_status;         // Exit value or signal.
-  long si_band;          // Band event for SIGPOL9
-  union sigval si_value; // Signal value.
-};
-
-typedef struct siginfo siginfo_t;
-
-int kill(int fd, int sig);
-int kill_fd(int fd, int sig);
-
-struct sigaction {
-  void (*sa_handler)(int); // Pointer to a signal-catching function or one of
-                           // the macros SIG_IGN or SIG_DFL.
-  sigset_t sa_mask; // Additional set of signals to be blocked during execution
-                    // of signal-catching function.
-  int sa_flags;     // Special flags to affect behavior of signal.
-  void (*sa_sigaction)(int, siginfo_t *,
-                       void *); // Pointer to a signal-catching function.
-};
-
-int sigaction(int sig, const struct sigaction *act, struct sigaction *oact);
-#endif // SIGNAL_H
diff --git a/userland/libc/include/sys/mman.h b/userland/libc/include/sys/mman.h
index d60997d..91ee816 100644
--- a/userland/libc/include/sys/mman.h
+++ b/userland/libc/include/sys/mman.h
@@ -7,6 +7,7 @@
 
 #define PROT_READ (1 << 0)
 #define PROT_WRITE (1 << 1)
+#define PROT_EXEC (1 << 2)
 
 #define MAP_PRIVATE (1 << 0)
 #define MAP_ANONYMOUS (1 << 1)
diff --git a/userland/libc/include/sys/time.h b/userland/libc/include/sys/time.h
index a675d9e..4f5cbd7 100644
--- a/userland/libc/include/sys/time.h
+++ b/userland/libc/include/sys/time.h
@@ -2,9 +2,9 @@
 #define TIME_H
 #include <stddef.h>
 #include <sys/types.h>
-#include <time.h>
 
 #define CLOCK_REALTIME 0
+#define CLOCK_MONOTONIC_RAW 1
 
 struct tm {
   int tm_sec;
diff --git a/userland/libc/include/sys/ucontext.h b/userland/libc/include/sys/ucontext.h
index e69de29..5fdbd63 100644
--- a/userland/libc/include/sys/ucontext.h
+++ b/userland/libc/include/sys/ucontext.h
@@ -0,0 +1 @@
+#include <ucontext.h>
diff --git a/userland/libc/include/syscall.h b/userland/libc/include/syscall.h
index 0396dce..87622c5 100644
--- a/userland/libc/include/syscall.h
+++ b/userland/libc/include/syscall.h
@@ -48,6 +48,9 @@
 #define SYS_GETPEERNAME 40
 #define SYS_FCNTL 41
 #define SYS_CLOCK_GETTIME 42
+#define SYS_QUEUE_CREATE 43
+#define SYS_QUEUE_MOD_ENTRIES 44
+#define SYS_QUEUE_WAIT 45
 
 int syscall(uint32_t eax, uint32_t ebx, uint32_t ecx, uint32_t edx,
             uint32_t esi, uint32_t edi);
diff --git a/userland/libc/include/tb/sb.h b/userland/libc/include/tb/sb.h
index 84f8161..06aa084 100644
--- a/userland/libc/include/tb/sb.h
+++ b/userland/libc/include/tb/sb.h
@@ -11,13 +11,15 @@ struct sb {
 
 struct sv;
 
-void sb_init(struct sb *ctx);
+void sb_init(struct sb *ctx, size_t starting_capacity);
 void sb_free(struct sb *ctx);
 void sb_reset(struct sb *ctx);
 int sb_isempty(const struct sb *ctx);
 void sb_append_char(struct sb *ctx, char c);
 int sb_delete_right(struct sb *ctx, size_t n);
 void sb_append(struct sb *ctx, const char *s);
+void sb_append_buffer(struct sb *ctx, const char *buffer,
+                      size_t length);
 void sb_append_sv(struct sb *ctx, struct sv sv);
 void sb_prepend_sv(struct sb *ctx, struct sv sv);
 #endif
diff --git a/userland/libc/include/tb/sv.h b/userland/libc/include/tb/sv.h
index 54ec218..3d4f9fb 100644
--- a/userland/libc/include/tb/sv.h
+++ b/userland/libc/include/tb/sv.h
@@ -25,6 +25,7 @@ struct sv sv_skip_chars(const struct sv input, const char *chars);
 struct sv sv_split_function(const struct sv input, struct sv *rest,
                             int (*function)(int));
 struct sv sv_take(struct sv s, struct sv *rest, size_t n);
+struct sv sv_take_end(struct sv s, struct sv *rest, size_t n);
 struct sv sv_next(struct sv s);
 int sv_isempty(struct sv s);
 char sv_peek(struct sv s);
diff --git a/userland/libc/include/time.h b/userland/libc/include/time.h
index b494f6c..18a03a5 100644
--- a/userland/libc/include/time.h
+++ b/userland/libc/include/time.h
@@ -1,36 +1 @@
-#ifndef TIME_H
-#define TIME_H
-#include <sys/types.h>
-#include <stddef.h>
-
-#define CLOCK_REALTIME 0
-#define CLOCK_MONOTONIC_RAW 1
-
-struct tm {
-  int tm_sec;
-  int tm_min;
-  int tm_hour;
-  int tm_mday;
-  int tm_mon;
-  int tm_year;
-  int tm_wday;
-  int tm_yday;
-  int tm_isdst;
-  long __tm_gmtoff;
-  const char *__tm_zone;
-};
-
-typedef int clockid_t;
-struct timespec {
-  time_t tv_sec; // Seconds.
-  long tv_nsec;  // Nanoseconds.
-};
-
-time_t time(time_t *tloc);
-int clock_gettime(clockid_t clock_id, struct timespec *tp);
-struct tm *localtime(const time_t *timer);
-struct tm *gmtime(const time_t *timer);
-size_t strftime(char *restrict s, size_t maxsize,
-       const char *restrict format, const struct tm *restrict timeptr);
-char *ctime_r(const time_t *clock, char *buf);
-#endif
+#include <sys/time.h>